Note 444 — Chapter XIII · MYTH IN THE HOMERIC POEMS.
Reading edition
It is worth noting that stems in -ān-, as names of peoples, seem to have been specially characteristic of north-western Greek; e.g. Αἰνιᾶνες, Ἀθαμᾶνες, Εὐρυτᾶνες, Κεφαλλᾶνες, Ἀκαρνᾶνες.