also pajamahs, 1800, pai jamahs "loose trousers tied at the waist," worn by Muslims in India and adopted by Europeans there, especially for nightwear, from Hindi pajama, probably from Persian paejamah, literally "leg clothing," from pae "leg" (from PIE root *ped- "foot") + jamah "clothing, garment." The modern U.S. spelling is by 1845; British spelling tends toward pyjamas.
1570s, "dust brush for clothes," agent noun from dust (v.). Meaning "sifter, fine sieve" is from 1660s; that of "light overcoat or wrap worn to keep off dust from clothing" is from 1864.
1550s, "the toes or feet of a pig," especially as an article of food," from petit + toes. Sometimes in jocular use, "the human foot."