ἰσχνόσαρκος

From LSJ

ὑπὸ δὲ τῆς φιλαυτίας παρηγμένοι ἄλογα φασὶν τὰ ζῷα ἐφεξῆς τὰ ἄλλα σύμπαντα → it is self-love which leads them to say that all the other animals without exception are non-rational

Source

Greek (Liddell-Scott)

ἰσχνόσαρκος: -ον, ὁ ἔχων ἰσχνὰς σάρκας, Ἰω. Εὐχαΐτ. 1167Α.