Emery

google

ref

late 15th century: from French émeri, from Old French esmeri, from Italian smeriglio, based on Greek smuris, smiris ‘polishing powder’.

wiktionary

ref

From French émeri, from Old French esmeril, from Italian smeriglio.

etymonline

ref

emery (n.)

granular mixture used as an abrasive, late 15c., from French émeri, from Old French esmeril, from Italian smeriglo, from Vulgar Latin *smyrilium, from Greek smyris "abrasive powder" used for rubbing and polishing, probably a non-Greek word, perhaps from a Semitic source. Emery board is attested from 1725.