ἐπιγουνίς
From LSJ
οὐκ ἐν τῷ πολλῷ τὸ εὖ, ἀλλ' ἐν τῷ εὖ τὸ πολύ → good is not found in plenty but plenty in good, quality matters more than quantity
English (LSJ)
ίδος, ἡ,
A part above the knee, great muscle of the thigh, taken as a sign of strength and vigour, κεν . . μεγάλην ἐπιγουνίδα θεῖτο he would grow a stout thigh-muscle, Od.17.225; οἵην ἐπιγουνίδα φαίνει 18.74,cf. Theoc. 26.34, Alciphr.3.19, Philostr.Im.2.24; prob. in this sense in A.R.3.875. II. = ἐπιγονατίς, knee-pan, Hp.Art.70,77, Philostr.Gym.35; knee, Arat.254,614.