ὠμοτριβής
From LSJ
τέχνη δὲ ἄνευ ἀλκῆς οὐδὲν ὠφελεῖ (Thucydides 2.87.4.6) → η τέχνη απαιτεί κουράγιο, skill without heart is useless
English (LSJ)
ές,
A pressed raw, ὠ. ἔλαιον oil from unripe olives, preferred for many purposes, Thphr.Od.15, Dsc.1.30.
Greek (Liddell-Scott)
ὠμοτρῐβής: -ές, γεν. -έος, τριβόμενος ὠμὸς ἢ ἄωρος, ὠμ. ἔλαιον, ἐξ ἀώρων ἐλαιῶν, προτιμώμενον χάριν πολλῶν χρήσεων, Θεοφρ. π. Ὀσμ. 15, Διοσκ. 1, 29, πρβλ. ὀμφάκινον.