ἶφι

English (LSJ)

(A) (instrum. of ἴς, q.v.), Ep. Adv.

   A by force or might, freq. in Hom., but only with four Verbs, ἶ. ἀνάσσειν Il.1.38, etc.; ἶ. μάχεσθαι 1.151; ἶ. δαμῆναι 19.417, Od.18.156; βοὸς ἶ. κταμένοιο Il.3.375; later ἶ. βιησάμενος Euph.90, etc.—Freq. in prop. names, e.g. Ἰφιάνασσα, Ἰφιγένεια, Ἰφιγόνη, Ἰφιδάμας, Ἴφικλος, ϝιφιάδας, etc.
ἶφι (B), an Egyptian measure, prob. = 1/4 and 1/5 artaba, PMasp.138, 139, al. (vi A.D.), PLond.5.1687.11 (vi A.D.):—hence ἴφιον

   A μέτρον PMasp.308.3 (vi A.D.): written οἴφιν Hsch.