Where does “rigole” come from?

rigole (Middle French) comes from Old French regol, from Middle Dutch regel, 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...

Ancestry of “rigole”, step by step

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

Words derived from “rigole

Every word from Proto-Indo-European -tḗr