Where does “urthosach” come from?

urthosach (Irish) comes from Irish tosach, from Old Irish tosach, from Proto-Celtic towissākos, from Proto-Celtic *towissus, from Proto-Celtic wissus, from Proto-Indo-European wéydtus, from Proto-Indo-European weyd- — to see.

urthosach (Irish): very beginning; forefront, van

Definitions

  1. very beginning; forefront, van

Ancestry of “urthosach”, step by step

StepLanguageWordMeaning
1Irishtosachbeginning; front; sole
2Old Irishtosachbeginning
3Proto-Celtictowissākoschief, primary, first
4Proto-Celtic*towissusact of leading, beginning
5Proto-Celticwissusact of discovering, finding out; knowledge
6Proto-Indo-Europeanwéydtus—
7Proto-Indo-Europeanweyd-to see
Every word from Proto-Indo-European weyd- →Every word from Proto-Indo-European wéydtus →Every word from Proto-Celtic wissus →