caftan

noun

1. a long garment having long sleeves and tied at the waist by a girdle, worn under a coat in the Middle East.
2. a long, full, usually collarless robe with wide sleeves that is worn at home for lounging or entertaining or at the beach as a cover-up.

noun

1. a variant spelling of kaftan

n.

1590s, “long tunic worn in Turkey, etc.,” from Turkish qaftan (also in Arabic), from Persian khaftan. As a similar shirt or dress style in the West, it is attested from c.1955.