Where does “subcoat” come from?

subcoat (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.

Ancestry of “subcoat”, step by step

subcoat 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 coat

StepLanguageWordMeaning
1EnglishcoatAn outer garment covering the upper torso and...
2Middle EnglishcoteA coat, especially one worn as an undergarment or...
3Old Frenchcotteovershirt, tunic
4Frankishkottacoat
Every word from Proto-Indo-European *steh₂-