glottochronology

noun glot·to·chro·nol·o·gy \ ˌglä-tō-krə-ˈnä-lə-jē \

Definition of glottochronology

:a linguistic method that uses the rate of vocabulary replacement to estimate the date of divergence for distinct but genetically related languages

glottochronological

play \ˌglä-tō-ˌkrä-nə-ˈlä-ji-kəl, -ˌkrō-\ adjective

First Known Use of glottochronology

1953


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