English
instaban
From insta- + ban.
Proto-Indo-European *bʰeh₂- ‘to speak’
…
Proto-Germanic *bannaną ‘to proclaim’
Proto-West Germanic *bannan ‘to proclaim’
Old English bannan ‘to summon, command, proclaim’
Middle English bannen ‘to summon’
English ban
Today it means
verb To ban without hesitation.
Language periods are conventional ranges, not dates for this word.
Etymograph / instaban