Where does “rigid” come from?

Rigid comes from Middle English rigide, from Latin rigidus meaning stiff or hard, formed with the Latin suffix -idus, ultimately from Proto-Indo-European reyǵ-.

rigid (English): Stiff, rather than flexible; Fixed, rather than...

Definitions

  1. Stiff, rather than flexible; Fixed, rather than...

Ancestry of “rigid”, step by step

rigid traces back through two separate lines of ancestry.

via Latin rigiditas

StepLanguageWordMeaning
1Latinrigiditasstiffness, rigidity; hardness
2Latin-tāsty, -dom, -hood, -ness, -ship
3Proto-Indo-European-teh₂tsUsed to form nouns representing state of being
4Proto-Indo-European-teh₂Used to form nouns representing state of being
5Proto-Indo-European-tósCreates verbal adjectives from verb stems

via Middle English rigide

StepLanguageWordMeaning
1Middle Englishrigide

Words derived from “rigid

Every word from Proto-Indo-European -tósEvery word from Latin -tāsEvery word from Proto-Indo-European -teh₂