English
estopper
estop + -er
Formed from estop + -er
Frankish *stoppōn ‘to stop, plug, insert’
Late Latin stuppō ‘to stop up, block, plug’
Old French estoper ‘to stop up, block, plug’
Middle English estoppen ‘to prevent (conception)’
English estop
Today it means
noun One who estops.
Language periods are conventional ranges, not dates for this word.
Etymograph / estopper