Where does “subtunnel” come from?

subtunnel (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.

subtunnel (English): A tunnel forming part of a larger tunnel or tunnel system

Definitions

  1. A tunnel forming part of a larger tunnel or tunnel system

Ancestry of “subtunnel”, step by step

subtunnel 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 Tunnel

StepLanguageWordMeaning
1EnglishTunnelAn underground or underwater passage
2Old Frenchtonelbarrel
3Old Frenchtonelarge barrel
4Late Latintunnatun, box
5Proto-Celtictunnahide, skin
Every word from Proto-Indo-European *steh₂-Every word from Proto-Indo-European sth₂éh₁yetiEvery word from Proto-Italic staēō