"soft fabric," 1590s, from Middle French pluche "shag, plush," contraction of peluche "hairy fabric," from Old French peluchier "to pull, to tug, to pluck" (the final process in weaving plush), from Vulgar Latin *piluccare "remove hair" (see pluck (v.)). Related: Plushy; plushness.
"swank, luxurious," 1927, from plush (n.). Plushy in this sense is recorded from 1923. Related: Plushly; plushness.