A.= ἑπτά and ἕβδομος （ς´, i.e. ϝϝαῦ, the digamma, being retained to represent ἕξ, ἕκτος), but ζ᾽ = 7,000.
0-0.Zeta, being a double consonant (pronounced either as zd or as dz acc. to dialect and date), made a short vowel at the end of the foregoing syllable long by position; exc. before pr. names, which could not otherwise come into the hexam., “ἄστυ^ Ζελείης” Il.4.103, 121; “ὑλήεσσα^ Ζάκυνθος” h.Ap.429, etc.: afterwds. pronounced as Engl. z, cf. “ζμῆνος” PCair.Zen.151.4 (iii B.C.), ζμύρνης ib.9 (iii B.C.), ἀμφιζβήτησιν Mitteis Chr.31 viii 6 (ii B.C.), cf. Ael.Dion.Fr.187; sts. σζ was written, “ἐνδέσζμους” IG22.1672.308 (iv B.C.), “θυσιάσζειν” IG 3.73.