köken: From Middle High German einveltec, einvaltic, from Old High German *einfaltīg (suggested by derivatives Old High German einfalto, einfaltīglīhho (adverb)), equivalent to Einfalt + -ig. Compare Old High German einfalt (“simple; sincere”, adjective), Old Frisian enfaldich (> Saterland Frisian eenfooldich), German Low German eenfoldig, Danish enfoldig, Dutch eenvoudig.
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
köken: Etymology tree Latin sineder. Esperanto sen Esperanto sen- Esperanto cerbo Esperanto -a Esperanto sencerba From sen- (“without, -less”) + cerbo (“brain”) + -a (adjectival ending).