Where does “rus” come from?

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

rus (Dalmatian): ray

Definitions

  1. ray

Ancestry of “rus”, step by step

StepLanguageWordMeaning
1Latinradiusray; staff, rod; spoke
2English-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
3Middle English-an
Every word from Middle English -anEvery word from English -ánEvery word from Latin radius