How to Spell turn

Middle English turnen, tornen, in part going back to Old English tyrnan, turnian "to move round on an axis, come round cyclically, cause to move about an axis, shift position," borrowed from early Medieval Latin tornāre, going back to Latin, "to make round by turning on a lathe," derivative of tornus "lathe," borrowed from Greek tórnos "peg and string used to trace circles, central point, lathe"; in part borrowed from Anglo-French turner, torner, tourner (also continental Old French), going back to early Medieval Latin tornāre; Greek tórnos going back to Indo-European *torh1-n-o, derivative of the verbal base *terh1- "rub, bore" {mat|trite|}