|Compare synchronic of, relating to, or studying the development of a phenomenon through time; historical: diachronic linguistics|
|[C19: from |
|the offspring of a zebra and a donkey.|
|an extraordinary or unusual thing, person, or event; an exceptional example or instance.|
diachronic di·a·chron·ic (dī'ə-krŏn'ĭk)
Of or concerned with phenomena as they change through time.