Strong G8521ὄνυξ

1. Lat. unguis, in (Homer) only in plural of the eagle's talons;—; of human beings, a nail , (Hesiod), attic:—;of horses and oxen, a hoof , (Xenophon Historicus)—;Special phrases, εἰς ἄκρους τοὺς ὄνυχας ἀφίκετο (i.e. ὁ οἶνος); warmed me to my fingers' ends , (Euripides); ὄνυχας ἐπ᾽ ἄκρους στάς on tiptoe , Lat. summis digitis, (Euripides); ἐξ ἁπαλῶν ὀνύχων from childhood, (Horace) de tenero ungui , [variant datesAnthology Palantina; ὀδοῦσι καὶ ὄνυξι, i. e. in every possible way, (Lucian)
2. a veined gem, onyx , (Lucian) (ML)