myEtymology.com: Latin etymology of rigidus

Etymology of the Latin word rigidus

the Latin word rigidus (stiff, hard; stern)

derived from the Latin word rigere (be stiff or numb; stand on end; be solidified)

derived from the Proto-Indo-European root *reig-

English rigid, French rigide, French raide, Italian rigido, Portuguese rijo, Portuguese rígido, Spanish rígido

Dutch rigide, English rigid, French rigide, German rigide, Italian rigido, Norwegian rigid, Swedish rigide