Where does “orthopair” come from?

orthopair (English) comes from English pair, from Middle English paire, from Old French paire, from Latin paria, from Latin par, from Proto-Indo-European per — around; through.

orthopair (English): A pair of orthogonal or disjoint subsets (of a given universe)

Definitions

  1. A pair of orthogonal or disjoint subsets (of a given universe)

Ancestry of “orthopair”, step by step

orthopair traces back through two separate lines of ancestry.

via English pair

StepLanguageWordMeaning
1EnglishpairTwo similar or identical things taken together;...
2Middle EnglishpaireA pair; a group of two similar, identical, or...
3Old Frenchpaire
4Latinparianominative neuter plural of pār; accusative...
5Latinpareven; equal; like
6Proto-Indo-Europeanperaround; through

via English ortho

StepLanguageWordMeaning
1EnglishorthoAn isomer of a benzene derivative having two...
Every word from Proto-Indo-European per