imp

From Middle English impen, ympen (“to plant; (figuratively) to bury; to graft; to add to, insert, put into, set in; to mend (a falcon’s feather) by attaching a new feather on to the broken stump”), from Old English impian, ġeimpian (“to graft”), from Proto-West Germanic *impōn (“to graft”), from Vulgar Latin *imputō (“to graft”), from Ancient Greek ἔμφῠτος (émphŭtos, “implanted; planted”), from ἐμφῠ́ω (emphŭ́ō, “to implant”, from ἐν- (en-, prefix meaning ‘in’) +‎ φῠ́ω (phŭ́ō, “to bring forth, produce; to grow”, ultimately from Proto-Indo-European *bʰuH- (“to appear; to become; to grow”))) +‎ -τος (-tos).

From implementer.