οἰάκισμα
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
English (LSJ)
ατος, τό,
A steering, governing, Trag.Adesp.287 ; regimen, Gloss.
German (Pape)
[Seite 297] τό, das Steuern, Lenken, D. L. 9, 12.