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
P. and V. συνήθης, εἰωθώς, νόμιμος, εἰθισμένος, ἠθάς (Dem. 605), Ar. and P. νομιζόμενος, P. σύντροφος.
ἐθάς, ἐθήμων, ἐθίζω, εἴωθα, ἐθιστός, ἔθιμος, ἔμφυτος, ἑκτικός