Where does “riole” come from?

riole (Middle Dutch) comes from Middle French rigole, 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 “riole”, step by step

StepLanguageWordMeaning
1Middle Frenchrigole
2Old Frenchregola gutter, channel
3Middle Dutchregelrow
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...

Words derived from “riole

Every word from Proto-Indo-European -tḗr