"istor" meaning in Breton

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en breton issus d’un mot en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en breton issus d’un mot en latin",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en breton issus d’un mot en moyen breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Breton",
      "orig": "breton",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "istorek"
    },
    {
      "word": "istorel"
    },
    {
      "word": "istorelezh"
    },
    {
      "word": "istorian"
    },
    {
      "word": "istorianez"
    },
    {
      "word": "istorour"
    },
    {
      "word": "istorourez"
    },
    {
      "word": "istorouriezh"
    },
    {
      "word": "istorvezh"
    },
    {
      "word": "ragistor"
    },
    {
      "word": "ragistorel"
    },
    {
      "word": "ragistorour"
    },
    {
      "word": "ragistorourez"
    },
    {
      "word": "ragistorouriezh"
    },
    {
      "word": "ragistorvezh"
    }
  ],
  "etymology_texts": [
    "Du latin historia, lui-même du grec ancien ἱστορία, historía",
    "(1464) Du moyen breton estoar, hystor.",
    "À comparer avec les mots stori en gallois, ystory en cornique (sens identique ou voisin)."
  ],
  "forms": [
    {
      "form": "istorioù",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "istoar"
    },
    {
      "word": "istoer"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en breton",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Istor ar bed.",
          "translation": "L’histoire du monde."
        }
      ],
      "glosses": [
        "Histoire (tous sens)."
      ],
      "id": "fr-istor-br-noun-0dncTgj8"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈis.tɔr\\"
    },
    {
      "audio": "LL-Q12107 (bre)-Ltranvz-istor.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/18/LL-Q12107_(bre)-Ltranvz-istor.wav/LL-Q12107_(bre)-Ltranvz-istor.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/18/LL-Q12107_(bre)-Ltranvz-istor.wav/LL-Q12107_(bre)-Ltranvz-istor.wav.ogg",
      "raw_tags": [
        "Bretagne (France)"
      ],
      "wav_url": "https://commons.wikimedia.org/wiki/Special:FilePath/LL-Q12107 (bre)-Ltranvz-istor.wav"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "istor"
}

{
  "categories": [
    "Mots en breton issus d’un mot en grec ancien",
    "Mots en breton issus d’un mot en latin",
    "Mots en breton issus d’un mot en moyen breton",
    "Noms communs en breton",
    "breton"
  ],
  "derived": [
    {
      "word": "istorek"
    },
    {
      "word": "istorel"
    },
    {
      "word": "istorelezh"
    },
    {
      "word": "istorian"
    },
    {
      "word": "istorianez"
    },
    {
      "word": "istorour"
    },
    {
      "word": "istorourez"
    },
    {
      "word": "istorouriezh"
    },
    {
      "word": "istorvezh"
    },
    {
      "word": "ragistor"
    },
    {
      "word": "ragistorel"
    },
    {
      "word": "ragistorour"
    },
    {
      "word": "ragistorourez"
    },
    {
      "word": "ragistorouriezh"
    },
    {
      "word": "ragistorvezh"
    }
  ],
  "etymology_texts": [
    "Du latin historia, lui-même du grec ancien ἱστορία, historía",
    "(1464) Du moyen breton estoar, hystor.",
    "À comparer avec les mots stori en gallois, ystory en cornique (sens identique ou voisin)."
  ],
  "forms": [
    {
      "form": "istorioù",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "istoar"
    },
    {
      "word": "istoer"
    }
  ],
  "senses": [
    {
      "categories": [
        "Exemples en breton"
      ],
      "examples": [
        {
          "text": "Istor ar bed.",
          "translation": "L’histoire du monde."
        }
      ],
      "glosses": [
        "Histoire (tous sens)."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈis.tɔr\\"
    },
    {
      "audio": "LL-Q12107 (bre)-Ltranvz-istor.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/18/LL-Q12107_(bre)-Ltranvz-istor.wav/LL-Q12107_(bre)-Ltranvz-istor.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/18/LL-Q12107_(bre)-Ltranvz-istor.wav/LL-Q12107_(bre)-Ltranvz-istor.wav.ogg",
      "raw_tags": [
        "Bretagne (France)"
      ],
      "wav_url": "https://commons.wikimedia.org/wiki/Special:FilePath/LL-Q12107 (bre)-Ltranvz-istor.wav"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "istor"
}