Where does “abrutir” come from?

abrutir (French) comes from French brute, from French brut, from Middle French brut, from Old French brut, from Latin brūtus, from Proto-Indo-European gʷréh₂us, from Proto-Indo-European -us — Forms adjectives from Caland system roots.

abrutir (French): To render idiotic; to turn into idiots; To blunt...