TBESG:αἴξa goat1. a goat , Lat. caper, capra, [8th/7th c.BC] 2. αἲξ ἄγριος the wild goat, the ibex , [8th/7th c.BC] 3. αἶγες, old name for waves . Prob. not from ἀί̈σσω, of which the root is αικ. (ML)