καταντιπέραν
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
French (Bailly abrégé)
ou mieux. κατ’ ἀντιπέραν;
c. καταντιπέρας.
Russian (Dvoretsky)
καταντιπέραν: и κατ᾽ ἀντιπέραν adv. напротив (οἰκεῖν Luc.).