αἶα

English (LSJ)

(A), ἡ, Ep. form used for γαῖα metri gr.,

   A 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.    II Αἶα, ἡ, orig. name of Colchis, S.Fr.914: also part of Thessaly, ib.915.
αἶα (B) ὑπὸ Κυρηναίων τηθὶς καὶ μαῖα, καὶ ἀδελφὴ Κρήτης· καὶ φυτόν τι. ἔτι δὲ ὁ καρπὸς αὐτῷ ὁμώνυμος, EM27.24. (Possibly cogn. with Lat.

   A avia.)
αἶα (C),

   A = ὄα, Ael.Dion.Fr.16.

Greek (Liddell-Scott)

αἶα: ἡ, Ἐπ. τύπος ἀντὶ τοῦ γαῖα, χάριν τοῦ μέτρου, Ὅμ. καὶ παρὰ Τραγ., ἰδίως ἐν λυρ. χωρίοις: οὐδέποτε κατὰ πληθ. ΙΙ. Αἶα, ἡ, τὸ ἀρχαῖον ὄνομα τῆς Κολχίδος, Σοφ. Ἀποσπ. 774: ὡσαύτως μέρος τῆς Θεσσαλίας, αὐτόθι.