Etiam etymology

Latin

Latin word etiam comes from Latin et, Latin jam

Detailed word origin of etiam

Dictionary entry Language Definition
et Latin (lat) (literary) though, even if. (mathematics) plus. And Also, too, besides, or likewise.
jam Latin (lat)
etiam Latin (lat) (in familiar language, in interrogations, especially when made indignantly) akin to what? pray?. (in familiar language, with imperatives) again, once more. (in general) and also, and furthermore, also, likewise, besides. (in particular):. (to annex a more important idea) and even, nay, even. (with the demonstrative notion of the iam predominating, used as an affirmative) certainly, granted, [...]