Meaning

noun the physical property of being stiff and resisting bending

noun the quality of being rigid and rigorously severe

originEtymology tree Latin rigidusder. Middle English rigide English rigid Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English rigidness From rigid + -ness.

Etymology from Wiktionary, CC BY-SA 3.0