Search Result for "glottochronology": 
Wordnet 3.0

NOUN (1)

1. the determination of how long ago different languages evolved from a common source language;
- Example: "he mapped the glottochronology of the Romance languages"


WordNet (r) 3.0 (2006):

glottochronology n 1: the determination of how long ago different languages evolved from a common source language; "he mapped the glottochronology of the Romance languages"