ἑπτάκις
From LSJ
οὐκ ἐν τῷ πολλῷ τὸ εὖ, ἀλλ' ἐν τῷ εὖ τὸ πολύ → good is not found in plenty but plenty in good, quality matters more than quantity
English (LSJ)
[ᾰ], Adv.
A seven times, Pi.O.13.40, Ar.Lys.698, etc.:— poet. ἑπτάκι Simon.156, A.R.3.861, etc.: also in later Prose, SIG 1068.8 (Patmos, iii/ii B. C.), Iamb.in Nic.p.17 P.:—Lacon. ἑπτάκιν IG5(1).213.16 (V B.C.).
German (Pape)
[Seite 1012] Pind. Ol. 13, 4 u. Folgde; poet. auch ἑπτάκι, gimould. 72 (Plan. 24).