Where does “regulier” come from?

regulier (Middle French) comes from French régulier, from Old French reguler, from Latin rēgulāris, 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 “regulier”, step by step

StepLanguageWordMeaning
1Frenchrégulierregular; dependable; legitimate
2Old Frenchregulerconforming to Chrisitan law
3Latinrēgulārisductile (able to be formed into a bar)
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 “regulier

Every word from Proto-Indo-European -tḗrEvery word from Latin -ulaEvery word from Latin rēgula