II
οὕνεκα (in this sense rarely οὕνεκεν, Herod. 1.84), as Prep. c. gen., = simple ἕνεκα, εἵνεκα, on account of, because of, sts. following its case, Sol. 37.5: freq. in Trag., as A. Pr. 347, Ag. 823, S. Ph. 774, El. 387, al. ( S. never uses ἕνεκα); whereas reversely in Call., A.R. 4.1523, and even in h.Ven. 199, εἵνεκα, ἕνεκα (q. v.) are used for οὕνεκα, because.—It has been suggested that the Ion. form εἵνεκα shd. be restd. for οὕνεκα, wherever it occurs as a Prep.; εἵνεκα occasionally occurs in Mss., as A. Supp. 188, Ar. Pax 210, Lys. 74, Ec. 659: but οὕνεκα as a Prep. freq. occurs in Inscrr., IG 1(2).802, 1037, 2.1334.11, etc.; οὕνεκεν χρόνου in respect of years, Poet. in PMich.Zen. 77.9 (iii B. C.).—Poet. word, rare and late in Att. Prose, IG 2 l.c. (iii A. D.), f.l. in Th. 6.56, D. 49.36,53, 59.39.