glottochronology

English Thesaurus

1. the determination of how long ago different languages evolved from a common source language (noun.cognition)

hypernym	:	chronology,
definition	:	the determination of the actual temporal sequence of past events (noun.cognition)

derivation	:	glottochronological,
definition	:	pertaining to the study of the evolution of languages from a common source (adj.pert)

derivation	:	glottochronological,
definition	:	pertaining to the study of the evolution of languages from a common source (adj.pert)