Where does “solus” come from?

solus (Old Irish) comes from Old Irish so, from Proto-Celtic so, from Proto-Indo-European só — this; that.

solus (Old Irish): bright, clear

Definitions

  1. bright, clear

Ancestry of “solus”, step by step

solus traces back through two separate lines of ancestry.

via Old Irish so

StepLanguageWordMeaning
1Old Irishsothis
2Proto-Celticsothis
3Proto-Indo-Europeansóthis; that

via Old Irish lés

StepLanguageWordMeaning
1Old Irishléslight, radiance; daylight; illumination
2Proto-Celtic*ḷsso-s—
3Proto-Indo-European*pl̥t-to-—

Words derived from “solus”

Every word from Proto-Indo-European só →Every word from Proto-Celtic so →Every word from Old Irish so →