ἴφιος
From LSJ
Περὶ τοῦ ἐπέκεινα τοῦ νοῦ κατὰ μὲν νόησιν πολλὰ λέγεται, θεωρεῖται δὲ ἀνοησίᾳ κρείττονι νοήσεως → On the subject of that which is beyond intellect, many statements are made on the basis of intellection, but it may be immediately cognised only by means of a non-intellection superior to intellection
English (LSJ)
[ῑφ], α, ον, Ep.Adj., freq. in Hom., but only in phrase ἴ. μῆλα
A fat, goodly sheep, Il.5.556,al., cf. D.P.753, etc.
German (Pape)
[Seite 1275] (ἶφι), stark, kräftig; bei Hom. ἴφια μῆλα, die starken, wohlgenährten Schaafe; wunderlich Hesych. ἀπὸ τοῦ ἰέναι σφοδρῶς ἢ σκιρτᾶν, E. M. ἰσχυροποιὰ τῶν ἐσθιόντων, Suid. ἰσχυρῶς βαδίζοντα.