"glottochronology" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "glotto",
        "3": "chronology"
      },
      "expansion": "glotto- + chronology",
      "name": "prefix"
    }
  ],
  "etymology_text": "From glotto- + chronology.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "glottochronology (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with glotto-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Armenian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Galician translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Portuguese translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Russian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Spanish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Tagalog translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Linguistics",
          "orig": "en:Linguistics",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "glottochronological"
        }
      ],
      "glosses": [
        "The method or study in estimating the time at which a related language diverged from its common ancestor."
      ],
      "id": "en-glottochronology-en-noun-loo6tXk5",
      "links": [
        [
          "method",
          "method"
        ],
        [
          "study",
          "study"
        ],
        [
          "estimating",
          "estimate"
        ],
        [
          "time",
          "time"
        ],
        [
          "related",
          "related"
        ],
        [
          "language",
          "language"
        ],
        [
          "diverge",
          "diverge"
        ],
        [
          "common ancestor",
          "common ancestor"
        ]
      ],
      "related": [
        {
          "word": "lexicostatistics"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "translations": [
        {
          "code": "hy",
          "lang": "Armenian",
          "lang_code": "hy",
          "roman": "lezvažamanakagrutʻyun",
          "sense": "the study of languages to determine when they diverged from being the same language",
          "word": "լեզվաժամանակագրություն"
        },
        {
          "code": "gl",
          "lang": "Galician",
          "lang_code": "gl",
          "sense": "the study of languages to determine when they diverged from being the same language",
          "tags": [
            "feminine"
          ],
          "word": "glotocronoloxía"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "lang_code": "pt",
          "sense": "the study of languages to determine when they diverged from being the same language",
          "word": "glotocronologia"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "lang_code": "ru",
          "roman": "glottoxronologija",
          "sense": "the study of languages to determine when they diverged from being the same language",
          "word": "глоттохронология"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "lang_code": "es",
          "sense": "the study of languages to determine when they diverged from being the same language",
          "word": "glotocronología"
        },
        {
          "code": "tl",
          "lang": "Tagalog",
          "lang_code": "tl",
          "sense": "the study of languages to determine when they diverged from being the same language",
          "word": "paladilataknaan"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌɡlɒtəʊkɹəˈnɒlədʒi/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/ˌɡlɑːtoʊkɹəˈnɑːləd͡ʒi/",
      "tags": [
        "US"
      ]
    },
    {
      "audio": "LL-Q1860 (eng)-Sapaa-glottochronology.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/05/LL-Q1860_%28eng%29-Sapaa-glottochronology.wav/LL-Q1860_%28eng%29-Sapaa-glottochronology.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/05/LL-Q1860_%28eng%29-Sapaa-glottochronology.wav/LL-Q1860_%28eng%29-Sapaa-glottochronology.wav.ogg"
    }
  ],
  "word": "glottochronology"
}

{
  "derived": [
    {
      "word": "glottochronological"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "glotto",
        "3": "chronology"
      },
      "expansion": "glotto- + chronology",
      "name": "prefix"
    }
  ],
  "etymology_text": "From glotto- + chronology.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "glottochronology (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "lexicostatistics"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with glotto-",
        "English uncountable nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Armenian translations",
        "Terms with Galician translations",
        "Terms with Portuguese translations",
        "Terms with Russian translations",
        "Terms with Spanish translations",
        "Terms with Tagalog translations",
        "en:Linguistics"
      ],
      "glosses": [
        "The method or study in estimating the time at which a related language diverged from its common ancestor."
      ],
      "links": [
        [
          "method",
          "method"
        ],
        [
          "study",
          "study"
        ],
        [
          "estimating",
          "estimate"
        ],
        [
          "time",
          "time"
        ],
        [
          "related",
          "related"
        ],
        [
          "language",
          "language"
        ],
        [
          "diverge",
          "diverge"
        ],
        [
          "common ancestor",
          "common ancestor"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌɡlɒtəʊkɹəˈnɒlədʒi/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/ˌɡlɑːtoʊkɹəˈnɑːləd͡ʒi/",
      "tags": [
        "US"
      ]
    },
    {
      "audio": "LL-Q1860 (eng)-Sapaa-glottochronology.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/05/LL-Q1860_%28eng%29-Sapaa-glottochronology.wav/LL-Q1860_%28eng%29-Sapaa-glottochronology.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/05/LL-Q1860_%28eng%29-Sapaa-glottochronology.wav/LL-Q1860_%28eng%29-Sapaa-glottochronology.wav.ogg"
    }
  ],
  "translations": [
    {
      "code": "hy",
      "lang": "Armenian",
      "lang_code": "hy",
      "roman": "lezvažamanakagrutʻyun",
      "sense": "the study of languages to determine when they diverged from being the same language",
      "word": "լեզվաժամանակագրություն"
    },
    {
      "code": "gl",
      "lang": "Galician",
      "lang_code": "gl",
      "sense": "the study of languages to determine when they diverged from being the same language",
      "tags": [
        "feminine"
      ],
      "word": "glotocronoloxía"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "lang_code": "pt",
      "sense": "the study of languages to determine when they diverged from being the same language",
      "word": "glotocronologia"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "lang_code": "ru",
      "roman": "glottoxronologija",
      "sense": "the study of languages to determine when they diverged from being the same language",
      "word": "глоттохронология"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "lang_code": "es",
      "sense": "the study of languages to determine when they diverged from being the same language",
      "word": "glotocronología"
    },
    {
      "code": "tl",
      "lang": "Tagalog",
      "lang_code": "tl",
      "sense": "the study of languages to determine when they diverged from being the same language",
      "word": "paladilataknaan"
    }
  ],
  "word": "glottochronology"
}