Where does “nondiachronic” come from?

nondiachronic (English) comes from English diachronic, from English chronic, from English chronical, from Old French cronike, from Latin chronicus, from Ancient Greek χρονικός, from Ancient Greek -ικός, from Ancient Greek -κός — -y, -ic.

nondiachronic (English): Not diachronic

Definitions

  1. Not diachronic

Ancestry of “nondiachronic”, step by step

nondiachronic traces back through two separate lines of ancestry.

via English diachronic

StepLanguageWordMeaning
1EnglishdiachronicOccurring over or changing with time; Of,...
2EnglishchronicOf a problem, that continues over an extended...
3EnglishchronicalObsolete form of chronic; Misspelling of...
4Old FrenchcronikeAlternative form of cronicle
5LatinchronicusOf or pertaining to time; chronic
6Ancient Greekχρονικόςof or concerning time, temporal; chronological
7Ancient Greek-ικόςof or pertaining to, in the manner of; -ic
8Ancient Greek-κόςforms adjectives with the sense of 'of or...
9Proto-Indo-European-ḱos-y, -ic

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European -ḱosEvery word from Ancient Greek -ικόςEvery word from Ancient Greek -κός