Where does “predual” come from?

predual (English) comes from English pre, from Latin prae, from Proto-Italic prai, from Proto-Indo-European preh₂-, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

predual (English): An object whose dual space is some other...

Definitions

  1. An object whose dual space is some other...

Ancestry of “predual”, step by step

predual traces back through two separate lines of ancestry.

via English pre

StepLanguageWordMeaning
1EnglishpreBefore; Precum, Cowper's fluid, pre-ejaculate; To...
2Latinpraebefore; in front; in front of
3Proto-Italicpraibefore; in front of
4Proto-Indo-Europeanpreh₂-before, in front
5Proto-Indo-Europeanper-before, in front; first; to go through
6Proto-Indo-Europeanpr̥tóspassed , crossed

via English dual

StepLanguageWordMeaning
1EnglishdualCharacterized by having two (usually equivalent) components
2Latinduālisdual
3Latinduōtwo; 2
4Proto-Italicduōtwo
5Proto-Indo-Europeandwóh₁two
Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Proto-Indo-European preh₂- →