Where does “radius” come from?

radius (Romanian) comes from French radius, from Latin radius, from English -án, from Middle English -an.

radius (Romanian): radius (bone)

Definitions

  1. radius (bone)

Ancestry of “radius”, step by step

StepLanguageWordMeaning
1Frenchradiusradius
2Latinradiusray; staff, rod; spoke
3English-ánOf or pertaining to;. Often added to words of Latin origin, but also used with words of other origins. When a word ends in a
4Middle English-an—
Every word from Middle English -an →Every word from English -án →Every word from Latin radius →