[ ˌdʌɪə'krɒnɪk ]
■ adjective concerned with the way in which something, especially language, has developed through time. Often contrasted with synchronic .
Derivatives
diachroneity ˌdʌɪəkrə'ni:ɪti , -'neɪɪti noun
~ally adverb
diachronistic dʌɪˌakrə'nɪstɪk adjective
diachrony dʌɪ'akrəni noun
Origin
C19: from dia- + Gk khronos 'time' + -ic .