Where does “rialtóir” come from?

rialtóir (Irish) comes from Irish riail, from Middle Irish ríagal, from Old Irish ríagol, from Latin rēgula, from Latin -ula, from Proto-Indo-European -tlom, from Proto-Indo-European -trom, from Proto-Indo-European -tḗr — Derives agent nouns from verbs, denoting someone...

rialtóir (Irish): ruler, controller, regulator, governor

Definitions

  1. ruler, controller, regulator, governor

Ancestry of “rialtóir”, step by step

rialtóir traces back through two separate lines of ancestry.

via Irish riail

StepLanguageWordMeaning
1Irishriailrule; Alternative form of rialaigh
2Middle Irishríagal
3Old Irishríagolrule
4Latinrēgularule, bar
5Latin-ularegō + API → rēgula; tegō + API → tēgula;...
6Proto-Indo-European-tlomAlternative form of *-trom
7Proto-Indo-European-tromForms nouns denoting a tool or instrument
8Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

via Irish tóir

StepLanguageWordMeaning
1Irishtóirpursuit, chase; hunt, search; pursuing party;...
2Proto-Celticto-wo-retrunning up to
3Proto-Celticretetito run
4Proto-Indo-EuropeanHret-to roll; wheel; to run, roll
Every word from Proto-Indo-European -tḗrEvery word from Latin -ulaEvery word from Latin rēgula