preen
Preen (noun) means a forked tool used by clothworkers to finish and smooth cloth.
Etymology
This word came into English via Middle English pren, which developed from Old English prēon, itself from Proto-Germanic *preunaz (compare Icelandic prjónn (“pin, knitting-needle”), Danish pryne (“needle, eel-spear”)). Its origin beyond that is uncertain, though it may go back to Proto-Indo-European *brewn- (“protrusion, tip, edge”) (compare Lithuanian briaunà (“edge”), Albanian brez (“belt, girdle”)). It is cognate with German Pfriem. The verb form comes from Middle English prenen, from pren (“a preen”), related to German pfriemen.