köken: Inherited from Middle French beste, from Old French beste, probably partially borrowed from Classical Latin bēstia (“beast”), or less likely from an alternative Vulgar Latin bēsta (“animal”). Compare biche (probably from Old French bisse, itself from Vulgar Latin bīstia; compare Italian biscia).
aile: abêtir, âge bête, bébête, bêta, bétail, bête à Bon Dieu, bête à manger du foin, bête comme chou, bête comme ses deux pieds, bête comme ses pieds