English

stoperator

Blend of stop + operator.

Proto-West Germanic *stoppōn ‘to stop’

Old English stoppian ‘to stop’

Middle English stoppen ‘to stop’

English stop

Proto-Indo-European *h₃ep- ‘to work, toil, make’

…

Latin opera

Latin operātus ‘having worked, laboured, toiled’

Latin operor ‘work, labour’

Latin operātor

Today it means

noun An operator in a genome that stops transcription

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

Etymograph / stoperator