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