Where does “túathach” come from?

túathach (Old Irish) comes from Old Irish túath, from Proto-Celtic toutā, from Proto-Indo-European tewtéh₂, from Proto-Indo-European tewh₂- — to swell; to crowd; to be strong.

Ancestry of “túathach”, step by step

StepLanguageWordMeaning
1Old Irishtúathtribe; laity; people
2Proto-Celtictoutāpeople, tribe; tribal land
3Proto-Indo-Europeantewtéh₂people, tribe
4Proto-Indo-Europeantewh₂-to swell; to crowd; to be strong
Every word from Proto-Indo-European tewh₂- →Every word from Proto-Indo-European tewtéh₂ →Every word from Proto-Celtic toutā →