Where does “rheiddiadur” come from?

rheiddiadur (Welsh) comes from Welsh rheiddio, from Welsh rhaidd, from Latin radius, from English -án, from Middle English -an.

rheiddiadur (Welsh): radiator

Definitions

  1. radiator

Ancestry of “rheiddiadur”, step by step

StepLanguageWordMeaning
1Welshrheiddioto beam, to radiate
2Welshrhaiddray, beam (of light)
3Latinradiusray; staff, rod; spoke
4English-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
5Middle English-an—
Every word from Middle English -an →Every word from English -án →Every word from Latin radius →