Ἀχαία,
Ionic dialect Ἀχαιΐη, ἡ, epithet of Demeter in Attica, [[ 5th c.BC: Herodotus Historicus 5.61] Refs 5th c.BC+]; also in Boeotia, [[ 1st-2nd c.AD: Plutarchus Biographus et Philosophus 2.378e] Refs 1st c.AD+]; Ἀχέα at Thespiae, [[ “IG” 7.1867] Refs].
__II ἀχαιά, ἡ, ={ἔριθος}, [[ 4th-3rd c.BC: Philetas cited in Grammars post Orionem p.185S. (Acc. to 5th c.AD(?): Hesychius Legal icographus from ἄχος] Refs 4th c.BC+] grief for the loss of her daughter: also Ἀχηρώ [[[prev. author]) ] Refs]Ἀχαΐα, see at {Ἀχαιός}.