lynx Look up lynx at Dictionary.com
1340, from L. lynx (cf. Sp., It. lince), from Gk. lyngz, probably from PIE *leuk- "light," in reference to its gleaming eyes or its ability to see in the dark (cf. Lith. luzzis, O.H.G. luhs, Ger. luchs, O.E. lox, Du. los, Swed. lo "lynx").