adjective/rodiˈʝeɾo/
knee
Etymology tree Proto-Indo-European *Hreth₂-der. Proto-Italic *rotā Latin rota Proto-Indo-European *-lós Proto-Indo-European *-elós Proto-Italic *-elos Latin -lus Latin -ellus Late Latin rotella Old Spanish rodiella Spanish rodilla Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusnom. Latin -ārius Spanish -ero Spanish rodillero From rodilla + -ero.