Word Origin & History
"tress of hair," from O.E. locc, from P.Gmc. *lukkoz (cf. O.N. lokkr, O.Fris., Du. lok, Ger. Locke "lock of hair"), from PIE *lugnos-, from base *lug- "to bend, to twist" (cf. Gk. lygos "pliant twig, withe," Lith. lugnas "flexible").