Where does “tosaitheoir” come from?

tosaitheoir (Irish) comes from Irish tosaigh, 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.

tosaitheoir (Irish): beginner

Definitions

  1. beginner

Ancestry of “tosaitheoir”, step by step

StepLanguageWordMeaning
1Irishtosaighbegin, commence; start, initiate; inflection of...
2Irishtosachbeginning; front; sole
3Old Irishtosachbeginning
4Proto-Celtictowissākoschief, primary, first
5Proto-Celtic*towissusact of leading, beginning
6Proto-Celticwissusact of discovering, finding out; knowledge
7Proto-Indo-Europeanwéydtus
8Proto-Indo-Europeanweyd-to see
Every word from Proto-Indo-European weyd-Every word from Proto-Indo-European wéydtusEvery word from Proto-Celtic wissus