αἶα · aia — LSJ
Ep. form used for γαῖα metri gr., φυσίζοος αἶα Il. 3.243, etc., cf. Emp. 27, Scol. 12, A.R. 1.580, Tab.Defix. 7; also in Trag., chiefly in lyr., A. Pers. 59, S. El. 95, also in trim., E. Andr. 51: never in pl.
Αἶα, ἡ, orig. name of Colchis, S. Fr. 914: also part of Thessaly, ib. 915.