A.containing an integer and one-third (1 + 1/3), i. e. in the ratio of 4 : 3, “ἐ. πυθμήν” Pl.R.546c ; “ἀριθμοί” Ph.2.183 ; “λόγος” Id.1.10, al., cf. PTeb.72.388 (ii B. C.), etc. Adv. “-τως” Nicom.Ar.2.20.
2. in Music, ἐ. διαστάσεις, of the interval of the fourth, Pl.Ti.36a, cf. Plu.2.1138f, Aristid. Quint.3.1 ; “ἐ. ἁρμονία” Ph. 1.23 ; “ἁ δὲ συλλαβὰ ἐπίτριτον” Philol.6.
3. ποὺς ἐ., or ἐ., ὁ, a metrical foot, of three longs and one short, in which the ratio of θέσις and ἄρσις is 4 : 3, Sch.Heph.p.112 C.; ἐ. πρῶτος, δεύτερος, τρίτος, τέταρτος, ^___, _^__, __^_, ___^, Heph.3.3.