Where does “sub” come from?

Sub comes from Latin sub, from Proto-Italic supo, from Proto-Indo-European upo, from the root h₃ewp-.

sub (English): A submarine; A submarine sandwich: a sandwich...

Definitions

  1. A submarine; A submarine sandwich: a sandwich...

Ancestry of “sub”, step by step

sub traces back through two separate lines of ancestry.

via English substitute

StepLanguageWordMeaning
1EnglishsubstituteTo use in place of something else, with the same...
2Middle Englishsubstituten—
3Latinsubstitutussubstituted
4LatinsubstituoI place next to, under, or instead of; I...
5LatinstatuoI set up, station; I establish, determine, fix; I...
6Latinstātusfixed, set, having been set
7Latinstōto stand
8Proto-Italicstaēōstand
9Proto-Indo-Europeansth₂éh₁yetito stand
10Proto-Indo-European*steh₂-—

via Latin sub

StepLanguageWordMeaning
1Latinsubunder, beneath; behind; at the feet of
2Proto-Italicsupounder
3Indo-European*upo—

Words derived from “sub”

Every word from Proto-Indo-European *steh₂- →Every word from Proto-Indo-European sth₂éh₁yeti →Every word from Proto-Italic staēō →