Where does “subtriangle” come from?

subtriangle (English) comes from English sub, from English substitute, from Middle English substituten, from Latin substitutus, from Latin substituo, from Latin statuo, from Latin stātus, from Latin stō.

subtriangle (English): A triangle forming part of a larger triangle

Definitions

  1. A triangle forming part of a larger triangle

Ancestry of “subtriangle”, step by step

subtriangle traces back through two separate lines of ancestry.

via English sub

StepLanguageWordMeaning
1EnglishsubA submarine; A submarine sandwich: a sandwich...
2EnglishsubstituteTo use in place of something else, with the same...
3Middle Englishsubstituten
4Latinsubstitutussubstituted
5LatinsubstituoI place next to, under, or instead of; I...
6LatinstatuoI set up, station; I establish, determine, fix; I...
7Latinstātusfixed, set, having been set
8Latinstōto stand
9Proto-Italicstaēōstand
10Proto-Indo-Europeansth₂éh₁yetito stand
11Proto-Indo-European*steh₂-

via English triangle

StepLanguageWordMeaning
1EnglishtriangleA polygon with three sides and three angles; A...
2Middle Englishtriangle
3Old Frenchtriangle
4Latintriangulumtriangle; nominative neuter singular of...
5Latintriangulustriangular, three-cornered, three-sided;...
6LatinAngulusA city of the Vestini, situated on a hill near the Adriatic Sea, now the town of Città Sant'Angelo
7Proto-Indo-Europeanh₂engulosjoint?
8Proto-Indo-Europeanh₂eng-curve, bend
Every word from Proto-Indo-European *steh₂-