Where does “(t)aic” come from?

(t)aic (Middle Irish) comes from Proto-Celtic akki, from Proto-Indo-European peh₂ḱ- — to join, to attach; agreement, settlement.

Ancestry of “(t)aic”, step by step

StepLanguageWordMeaning
1Proto-Celticakki
2Proto-Indo-Europeanpeh₂ḱ-to join, to attach; agreement, settlement

Words derived from “(t)aic

Every word from Proto-Indo-European peh₂ḱ-Every word from Proto-Celtic akki