English

ionic

From ion + -ic.

A compound of ion + -ic

Proto-Indo-European *h₁ey- ‘to go’

Proto-Indo-European *h₁éyti ‘to go, to be going’

Proto-Hellenic *éimi ‘to go’

Ancient Greek εἶμι ‘I go’

Ancient Greek ἰόν ‘going’

English ion

Today it means

adj of, relating to, or containing ions

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