Where does “monstrüos” come from?

monstrüos (Old French) comes from Latin monstrosus — Alternative form of mōnstruōsus.

Ancestry of “monstrüos”, step by step

StepLanguageWordMeaning
1LatinmonstrosusAlternative form of mōnstruōsus
Every word from Latin monstrosus
monstrüos — Etymology, Origin & Word History | Etymology Explorer