English

instop

From in- + stop.

Formed from in- + stop

Proto-Indo-European *h₁én ‘in’

Proto-Germanic *in ‘into’

English in-

Proto-West Germanic *stoppōn ‘to stop’

Old English stoppian ‘to stop’

Middle English stoppen ‘to stop’

English stop

Today it means

verb To stop; close; shut; make fast.

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