köken: From Classical Arabic قَزّ (qazz, “silk, silkware”); see there for more. Doublet of quej and ques (“a sort of wool”), a direct borrowing from it.
köken: Borrowed from French chiffon, from Middle French chiffe (“cloth, old rag”), from Old French chipe (“rag”), from Middle English chip, chippe (“chip, shard, fragment”), from Old English ċipp (“chip, splinter, shaving”), from *ċippian ("to chip; chop off in pieces"), from Proto-Germanic *kipp- (“to chop; split”), from Proto-Indo-European *ǵey- (“to split; divide; germinate; sprout”).