Where does “anovular” come from?

anovular (English) comes from English ovular, from English ovule, from French ovule, from French -ule, 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 “anovular”, step by step

anovular traces back through two separate lines of ancestry.

via English ovular

StepLanguageWordMeaning
1EnglishovularOf or pertaining to an oval; Of or pertaining to...
2EnglishovuleThe structure in a plant that develops into a...
3Frenchovuleovum; first-person singular present indicative of...
4French-uleule
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 English ān

StepLanguageWordMeaning
1Englishān
2Middle Englishāna, an indefinite article
3Old Englishānlonely; entirely alone, solitary, single; one
4Proto-West Germanicainone
5Proto-Germanicainazone; some
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European -tḗrEvery word from Latin -ulaEvery word from Proto-Indo-European -tlom