The story
- Persian · derived fromکف“foam”
- Turkish · borrowed from[Term?]
- English todaykeffekil
From Turkish [Term?], composed of Kefe (“Caffa, a city in Crimea”) + kil (“clay”). The material was imported from that region of Crimea. Alternatively, according to Webster (1913), from Persian کف (kaf, “foam”) + گل (gel, “clay”). Note that Turkish kil is from Persian گل (gel).
Etymology from Wiktionary, CC BY-SA 4.0.