{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Universal Wiktionary Dictionary Entry",
  "description": "Language-agnostic schema for dictionary entries from any Wiktionary edition",
  "type": "object",
  "required": [
    "word",
    "pos",
    "senses"
  ],
  "properties": {
    "word": {
      "type": "string",
      "description": "The headword being defined"
    },
    "pos": {
      "type": "string",
      "description": "Part of speech (noun, verb, adj, adv, etc.)",
      "examples": [
        "noun",
        "verb",
        "adj",
        "adv",
        "prep",
        "conj",
        "intj",
        "pron"
      ]
    },
    "senses": {
      "type": "array",
      "description": "Word meanings and usage",
      "items": {
        "type": "object",
        "properties": {
          "glosses": {
            "type": "array",
            "items": {
              "type": "string"
            },
            "description": "Definition text(s)"
          },
          "examples": {
            "type": "array",
            "items": {
              "type": "string"
            },
            "description": "Usage examples"
          },
          "raw_glosses": {
            "type": "array",
            "items": {
              "type": "string"
            },
            "description": "Unprocessed glosses with markup"
          },
          "tags": {
            "type": "array",
            "items": {
              "type": "string"
            },
            "description": "Sense-specific tags (figurative, colloquial, etc.)"
          }
        }
      }
    },
    "phonetics": {
      "type": "object",
      "description": "Pronunciation and sound information",
      "properties": {
        "ipa": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "description": "Clean IPA transcription(s) without special characters"
        },
        "ipa_variations": {
          "type": "array",
          "description": "Detailed IPA variations with regional information",
          "items": {
            "type": "object",
            "properties": {
              "ipa": {
                "type": "string",
                "description": "Clean IPA transcription"
              },
              "raw_tags": {
                "type": "array",
                "items": {
                  "type": "string"
                },
                "description": "Regional information (countries, regions, cities)"
              }
            },
            "required": ["ipa"]
          }
        },
        "homophones": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "description": "Words pronounced the same way"
        }
      }
    },
    "hyphenation": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Syllable breaks (e.g., ['Wör', 'ter', 'buch'])"
    },
    "forms": {
      "description": "Inflected forms. Can be a flat list (universal default for nouns, adj, etc.), a single compressed object (for verbs), or an array of compressed objects (for verbs with multiple usages like reflexive/transitive).",
      "oneOf": [
        {
          "type": "array",
          "description": "Default: A flat, uncompressed list of all inflected forms.",
          "items": {
            "type": "object",
            "properties": {
              "form": {
                "type": "string"
              },
              "tags": {
                "type": "array",
                "items": {
                  "type": "string"
                }
              },
              "source": {
                "type": "string"
              }
            }
          }
        },
        {
          "type": "object",
          "description": "Compressed: A type-tagged, language-specific set of principal parts.",
          "properties": {
            "type": {
              "type": "string",
              "description": "Identifier for the compression rules (e.g., 'de_verb', 'fr_noun')."
            },
            "data": {
              "type": "object",
              "description": "The compressed principal parts.",
              "additionalProperties": true
            }
          },
          "required": [
            "type",
            "data"
          ]
        },
        {
          "type": "array",
          "description": "Multiple compressed forms (e.g., for verbs that can be both reflexive and transitive).",
          "items": {
            "type": "object",
            "properties": {
              "type": {
                "type": "string",
                "description": "Identifier for the compression rules (e.g., 'de_verb')."
              },
              "data": {
                "type": "object",
                "description": "The compressed principal parts.",
                "additionalProperties": true
              }
            },
            "required": [
              "type",
              "data"
            ]
          }
        }
      ]
    },
    "grammatical_features": {
      "type": "object",
      "description": "Gender, number, case, tense, etc.",
      "properties": {
        "gender": {
          "type": "string",
          "enum": [
            "masculine",
            "feminine",
            "neuter",
            "common"
          ]
        },
        "number": {
          "type": "string",
          "enum": [
            "singular",
            "plural",
            "dual"
          ]
        },
        "tags": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "description": "Other grammatical tags"
        }
      }
    },
    "etymology": {
      "type": "object",
      "description": "Word origin and historical development",
      "properties": {
        "text": {
          "type": "string"
        },
        "texts": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "number": {
          "type": "integer"
        }
      }
    },
    "relations": {
      "type": "object",
      "description": "Semantic and lexical relationships",
      "properties": {
        "synonyms": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "word": {
                "type": "string"
              },
              "sense": {
                "type": "string"
              }
            }
          }
        },
        "antonyms": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "word": {
                "type": "string"
              },
              "sense": {
                "type": "string"
              }
            }
          }
        },
        "hypernyms": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "description": "Broader/parent terms"
        },
        "hyponyms": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "description": "Narrower/child terms"
        },
        "meronyms": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "description": "Part-of relationships"
        },
        "holonyms": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "description": "Whole-of relationships"
        },
        "related": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "description": "Related terms (see also)"
        },
        "derived": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "description": "Derived/compound terms"
        },
        "coordinate_terms": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "description": "Co-hyponyms (sister terms)"
        }
      }
    },
    "translations": {
      "type": "array",
      "description": "Translations to other languages",
      "items": {
        "type": "object",
        "properties": {
          "lang_code": {
            "type": "string"
          },
          "word": {
            "type": "string"
          },
          "sense_index": {
            "type": "string"
          },
          "tags": {
            "type": "array",
            "items": {
              "type": "string"
            }
          }
        }
      }
    },
    "descendants": {
      "type": "array",
      "description": "Words in other languages derived from this word",
      "items": {
        "type": "object",
        "properties": {
          "lang_code": {
            "type": "string"
          },
          "lang": {
            "type": "string"
          },
          "word": {
            "type": "string"
          },
          "tags": {
            "type": "array",
            "items": {
              "type": "string"
            }
          }
        }
      }
    }
  }
}