English

acosmic

From a- + cosmic.

Formed from a- + cosmic

Proto-Indo-European *uds- ‘up, out’

Proto-Germanic *uz- ‘out-’

Proto-West Germanic *uʀ- ‘up, out, over’

English a-

Proto-Indo-European *ḱens- ‘to announce, to proclaim’

Proto-Hellenic *kónsmos

Ancient Greek κόσμ(ος)

Ancient Greek κοσμικός ‘of the world, of the universe’

Today it means

adj Relating to acosmism

Language periods are conventional ranges, not dates for this word.