Meaning

verb expel from a community or group

verb ban from a place of residence, as for punishment

verb expel, as if by official decree

originFrom Middle English banishen, from Old French baniss-, extended stem of banir (“to proclaim, ban, banish”), of Germanic origin and Old English bannan, from Proto-Germanic *bannaną (“curse, forbid”). Compare French bannir. Doublet of ban.

Etymology from Wiktionary, CC BY-SA 3.0