Where does “thú” come from?

thú (Irish) comes from Old Irish tú, from Proto-Celtic tū, from Proto-Indo-European túh₂ — you, thou.

thú (Irish): you singular, thee

Definitions

  1. you singular, thee

Ancestry of “thú”, step by step

StepLanguageWordMeaning
1Old Irishtúyou singular nominative, thou
2Proto-Celtictūyou (singular), thou
3Proto-Indo-Europeantúh₂you, thou
Every word from Proto-Indo-European túh₂ →Every word from Proto-Celtic tū →Every word from Old Irish tú →