köken: Inherited from Middle French fragilité (compare Old French fraileté), borrowed from Latin fragilitātem. By surface analysis, fragile + -ité. Compare also Old French fraileté.
köken: Etymology tree Esperanto fragila Latin -ia Latin -itia Italian -ezzabor. Esperanto -eco Esperanto fragileco From fragila (“frail, fragile”, adjective) + -eco.