μηριαῖα

From LSJ

τίς γὰρ ἁδονᾶς ἄτερ θνατῶν βίος ποθεινὸς ἢ ποία τυραννίς; τᾶς ἄτερ οὐδὲ θεῶν ζηλωτὸς αἰών → What human life is desirable without pleasure, or what lordly power? Without it not even the life of the gods is enviable.

Source

Russian (Dvoretsky)

μηριαῖα: ἡ (только pl.) бедро, ляжка (τοῦ ἵππου, τῆς κυνός Xen.).