[adj] - pertaining to the study of the evolution of languages from a common source
glottochronological A reference to the study of the evolution of languages from a common source. Cross references of word families related directly, or indirectly, to: 'talk, speak, speech; words, language; tongue, etc.': cit-; clam-; dic-; fa-; -farious; glosso-; lalo-; linguo-; locu-; ...
adjective pertaining to the study of the evolution of languages from a common source; `glottochronological studies`