ὑπαλλάττω
From LSJ
κάμψαι διαύλου θάτερον κῶλον πάλιν → bend back along the second turn of the race, turning the bend and coming back for the second leg of the double run, run the homeward course, retrace one's steps
French (Bailly abrégé)
1 changer, mettre à la place, substituer;
2 changer un peu.
Étymologie: ὑπό, ἀλλάττω.
German (Pape)
[Seite 1181] att. ὑπαλλάσσω: ὑπαλλάττω, verwechseln, vertauschen, verändern, Pol. 3, 8, 9 u. Sp.