grin
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
v. intrans.
Grin as a dog: Ar. σαίρειν; see also laugh. Grin at: Ar. ἐγχάσκειν (dat.).
