Where does “potato radius” come from?

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

potato radius (English): The radius of a celestial body when it is long...

Definitions

  1. The radius of a celestial body when it is long...

Ancestry of “potato radius”, step by step

potato radius traces back through two separate lines of ancestry.

via English radius

StepLanguageWordMeaning
1EnglishradiusThe long bone in the forearm, on the side of the...
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

via English potato

StepLanguageWordMeaning
1EnglishpotatoThe tuber of a plant, "Solanum tuberosum", eaten...
2Spanishpatatapotato; piece of rubbish
3Taínobatatasweet potato
Every word from Middle English -an