Where does “tollán” come from?

tollán (Irish) comes from Irish toll, from Old Irish tollaid, from Old Irish toll, from Proto-Celtic tullos, from Proto-Indo-European (s)tew- — to push, to hit.

tollán (Irish): tunnel

Definitions

  1. tunnel

Ancestry of “tollán”, step by step

tollán traces back through two separate lines of ancestry.

via Irish toll

StepLanguageWordMeaning
1Irishtollhole, hollow; posterior, buttocks; pierced,...
2Old Irishtollaidpierces; penetrates
3Old Irishtollpierced, perforated; hollow, empty; hole, hollow;...
4Proto-Celtictullospierced, perforated; hollow
5Proto-Indo-European(s)tew-to push, to hit

via Irish án

StepLanguageWordMeaning
1Irishánbright, brilliant; splendid, noble
2Old Irishínfast, period of fasting
3Proto-Celticsindosthis
4Proto-Indo-Europeansḗmone
5Proto-Indo-Europeansem-together, one
Every word from Proto-Indo-European (s)tew- →Every word from Proto-Celtic tullos →Every word from Old Irish toll →