Where does “agenesis” come from?

Agenesis derives from the English prefix a- (from Latin ad-, meaning "to" or "toward") combined with genesis, ultimately tracing through Proto-Indo-European h₂epo and al-.

agenesis (English): Any imperfect development of the body, or any...

Definitions

  1. Any imperfect development of the body, or any...

Ancestry of “agenesis”, step by step

agenesis traces back through two separate lines of ancestry.

via English A

StepLanguageWordMeaning
1EnglishAThe ordinal number first, derived from this...
2EnglishANDAlternative form of ∧, the conjunction operator;...
3Middle Englishandand, and then; however, yet, but, though. while;...
4Old Englishandand; even; also
5Proto-Germanicandiin addition, furthermore, and
6Proto-Indo-Europeanh₂éntiopposite; near; in front
7Proto-Indo-Europeanh₂éntsforehead; front
8Proto-Indo-Europeanh₂ent-face; forehead; front
9Proto-Indo-Europeanh₂en-on, onto

via English Genesis

StepLanguageWordMeaning
1EnglishGenesisThe first book in the Hebrew Bible
2Latingenesisgeneration, creation, nativity; birth
3Ancient GreekΓένεσιςGenesis. The title of the first book of the Bible and Pentateuch as in the Septuagint translation in Greek
4Proto-Hellenicgénetisorigin, source
5Proto-Indo-Europeanǵénh₁tisbirth, production
6Proto-Indo-Europeanǵenh₁-to produce, to beget, to give birth
Every word from Proto-Indo-European h₂en-