Where does “allopaternal” come from?

allopaternal (English) comes from English paternal, from Old French paternal, from Vulgar Latin paternalis, from Latin paternus, from Latin pater, from Proto-Italic patēr, from Proto-Indo-European ph₂tḗr, from Proto-Indo-European peh₂- — to protect; to shepherd.

allopaternal (English): Relating to an allofather

Definitions

  1. Relating to an allofather

Ancestry of “allopaternal”, step by step

allopaternal traces back through two separate lines of ancestry.

via English paternal

StepLanguageWordMeaning
1EnglishpaternalOf or pertaining to one's father, his genes, his...
2Old Frenchpaternalpaternal
3Vulgar Latinpaternalispaternal
4LatinpaternusOf or pertaining to a father, paternal, fatherly;...
5Latinpaterfather; head of household; parent
6Proto-Italicpatērfather
7Proto-Indo-Europeanph₂tḗrfather
8Proto-Indo-Europeanpeh₂-to protect; to shepherd

via English allo

StepLanguageWordMeaning
1EnglishalloAlternative spelling of 'allo
2EnglishallosexualDirected toward or involving another person...
3Englishallo-different, other; isomeric; especially, of amino...
4Ancient Greekἄλλοςother, another, different, else; in combination...
5Ancient GreekκρίνωTo separate, divide, part, distinguish between...
6Proto-Hellenickríňňō
7Proto-Indo-Europeankrinyéti
8Proto-Indo-Europeankrey-to sift, separate, divide
Every word from Proto-Indo-European peh₂-Every word from Proto-Indo-European ph₂tḗrEvery word from Proto-Italic patēr