ὤριστος
From LSJ
εἰς πέλαγος σπέρµα βαλεῖν καὶ γράµµατα γράψαι ἀµφότερος µόχθος τε κενὸς καὶ πρᾶξις ἄκαρπος → throwing seeds and writing letters at sea are both a vain and fruitless endeavor
English (LSJ)
or ὥριστος, Ion. crasis for ὁ ἄριστος, Il.11.288, al.
Greek (Liddell-Scott)
ὤριστος: κατὰ Ἰωνικ. κρᾶσιν ἀντὶ ὁ ἄριστος. Ἰλ. Λ. 288, κ. ἀλλαχ.