ἴς

A. strength, force, of persons, ἀλλ’ ἄρα καὶ ἲς ἐσθλή Il. 12.320; ἐπέρεισε δὲ ἶν’ ἀπέλεθρον 7.269; ἤ μοι ἔτ’ ἐστὶν ἴς, οἵη πάρος . . Od. 21.283, cf. 11.393, 18.3: freq. in periphr., ἱερὴ ἲς Τηλεμάχοιο the strong Telemachus, 2.409; κρατερὴ ἲς Ὀδυσῆος Il. 23.720; ἲς Ἡρακλῆος Hes. Th. 951; and in twofold periphr., ἲς βίης Ἡρακληείης ib.332; also of things, ἲς ἀνέμου or ἀνέμοιο, Il. 15.383, 17.739, Od. 9.71; ἲς ποταμοῖο Il. 21.356; κράταῑ ἴς was read by Ptol.Asc.in Od. 11.597; v. κρατύς. (vι‐, cf. γίς· ἰσχύς, Hsch., pr. n. vιφιάδας IG 7.3172.70, Lat. vis, vim; prob. cogn. with ἵεμαι but not with ἴς (A).)