radius etymology

English word radius comes from Proto-Indo-European *wréh₂ds (Root.)

Detailed word origin of radius

Dictionary entryLanguageDefinition
*wréh₂ds Proto-Indo-European (ine-pro) Root.
radius Latin (lat) Ray (of light). Spoke (of a wheel). Staff, rod.
radius English (eng) (anatomy) The long bone in the forearm, on the side of the thumb.. (entomology) One of the major veins of the insect wing, between the subcosta and the media. (geometry) A line segment between any point of a circle or sphere and its center.. (geometry) The length of this line segment.. (zoology) The lighter bone (or fused portion of bone) in the forelimb of an animal.

Words with the same origin as radius

Descendants of *wréh₂ds
orchard provocation quality race radiant radiation radiator radical radio radioactive radiology ray region root roots