Where does “biregular” come from?

biregular (English) comes from English regular, from Middle English reguler, from Middle French regulier, from French régulier, from Old French reguler, from Latin rēgulāris, from Latin rēgula, from Latin -ula — Derives agent nouns from verbs, denoting someone...

biregular (English): Being a regular map with regular inverse; Having...

Definitions

  1. Being a regular map with regular inverse; Having...

Ancestry of “biregular”, step by step

biregular traces back through two separate lines of ancestry.

via English regular

StepLanguageWordMeaning
1EnglishregularBound by religious rule; belonging to a monastic...
2Middle Englishreguler
3Middle Frenchregulier
4Frenchrégulierregular; dependable; legitimate
5Old Frenchregulerconforming to Chrisitan law
6Latinrēgulārisductile (able to be formed into a bar)
7Latinrēgularule, bar
8Latin-ularegō + API → rēgula; tegō + API → tēgula;...
9Proto-Indo-European-tlomAlternative form of *-trom
10Proto-Indo-European-tromForms nouns denoting a tool or instrument
11Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

via English bi

StepLanguageWordMeaning
1EnglishbiBisexual; A bisexual person; A type of jade disk...
2EnglishbicepsAny muscle having two heads; Specifically, the...
3Latinbicepsdouble-headed, having two heads; having two...
4Latinbistwice, two times, on two occasions, in two ways
5LatindiēsA day, particularly
6Proto-Italicdjēmaccusative singular of *djous
7Proto-Italic*djous
8Proto-Indo-Europeandyḗwssky, heaven; sky god
9Proto-Indo-Europeandyéwssky, heaven
10Proto-Indo-Europeandyew-to be bright; sky, heaven

Words derived from “biregular

Every word from Proto-Indo-European -tḗr