ἑπτά
ἐν δὲ δικαιοσύνῃ συλλήβδην πᾶσ' ἀρετὴ ἔνι → in justice is all virtue found in sum, in justice is every virtue there is, in justice every virtue is brought together, justice contains in itself all the virtues
English (LSJ)
οἱ, αἱ, τά, indecl.
A seven, Il.6.421, etc.; as a mystical number, Arist.Metaph.1093a13, etc.; αἱ ἑ. νῆσοι the seven largest islands, Alex.268, cf. Arist.Mir.837a31 ; τὰ ἑ. θεάματα the Seven Wonders, Str.17.1.33, cf.D.S.2.11, etc.; οἱ ἑ. σοφισταί the Seven Sages, Isoc. 15.109, Aristid.2.311 J.; οἱ ἑ. σοφοί Stob.3.1.172 ; οἱ ἑ. alone, D.L. 1.40, Lib.Ep.286.3. 2 οἱ ἑ., board of magistrates at Olbia, SIG 495.2 (iii B.C.) ; οἱ ἑ. ἄνδρες, = Lat. septemviri epulones, D.C.48.32. (I.-E. sept[macutenull], cf. Skt. saptá, Lat. septem (fancifully connected with σέβομαι, Ph.1.30, Theol.Ar.43) : Hsch. has τεπτά, i.e. ηεπτά.)
German (Pape)
[Seite 1012] οἱ, αἱ, τά, indeclin., sieben, Hom. u. Folgde.