verb/ba.te/
to put on a packsaddle
“Appelant à part l’hôtelier, ils lui ordonnèrent de seller Rossinante et de bâter le grison, ce qu’il fit avec diligence.” — Calling aside the innkeeper, they ordered him to saddle Rossinante and to put a packsaddle on the donkey, which he did with diligence.
Related: âne bâté
From Old French (and Middle French) baster.