glottochronology

英 ['glɒtəʊkrə'nɒlədʒɪ] 美 [ˌglɒtoʊkrə'nɒlədʒɪ]

• n. 语言年代学；词源统计分析法

英英释义

Noun:

1. the determination of how long ago different languages evolved from a common source language;

   "he mapped the glottochronology of the Romance languages"