— diachronically , adv. — diachronicness , n.
/duy'euh kron"ik/ , adj. Ling.
of or pertaining to the changes in a linguistic system between successive points in time; historical: diachronic analysis. Cf. synchronic .
[ 1925-30; diachronique (term introduced by F. de Saussure); see DIA-, CHRONIC ]