
dia
dia-
Does not exist as an independent adjective in German. It is the prefix 'dia-' (Greek for 'through', 'throughout', 'apart'), which plays a role in loanwords and technical terms, e.g. 'diachron' (diachronic), 'Diagnose' (diagnosis), 'Dialog' (dialogue).
In der Linguistik unterscheidet man die synchrone und die diachrone Betrachtung von Sprache.
In linguistics, a distinction is made between the synchronic and diachronic study of language.