The headword is the first person singular, aorist indicative middle/passive, of a)a/w (LSJ entry at web address 1). It is found frequently in epic poetry, e.g. HomerIliad 9.116 (web address 2).
1Up to this point the entry = Synagoge (Codex B) alpha3 (Lexica Segueriana 3.8 Bachmann).↩
2From here on the entry is very similar to Apollonius Sophistes, Homeric Lexicon 1.19, and Hesychius alpha25.