ἀγα
ἀγα-, préfixe de renforcement, signifiant l’intensité, v. ἀγακλεής, ἀγακτιμένη πόλις, Ἀγαμέμνων, Ἀγαμήδης, Ἀγαμήστωρ, ἀγάννιφος, ἀγάρροος, ἀγασθενής, ἀγάσταχυς, ἀγάστονος, Ἀγάστροφος, ἀγάσυρτος, ἀγάφθεγκτος, ἠγάθεος.
Étym. indo-europ. *meǵh₂-, avec degré zéro *m̥ǵh₂-, grand, cf. ἄγαν, μέγας.
ἀγα -
[ἄγαν, very, much.]
Intensive.
ἀγα : an old adv., later ἄγαν, employed only as a prefix, greatly, strongly, highly.