Where does “Tunnelsystem” come from?

Tunnelsystem (German) comes from German Tunnel, from English Tunnel, from Old French tonel, from Old French tone, from Late Latin tunna, from Proto-Celtic tunna — hide, skin.

Tunnelsystem (German): tunnel system a network of connected tunnels

Definitions

  1. tunnel system a network of connected tunnels

Ancestry of “Tunnelsystem”, step by step

Tunnelsystem traces back through two separate lines of ancestry.

via German Tunnel

StepLanguageWordMeaning
1GermanTunneltunnel
2EnglishTunnelAn underground or underwater passage
3Old Frenchtonelbarrel
4Old Frenchtonelarge barrel
5Late Latintunnatun, box
6Proto-Celtictunnahide, skin

via German System

StepLanguageWordMeaning
1GermanSystemsystem; period
2Latinsystēmasystem
3Ancient Greekσύστημαa whole made of several parts or members, system;...
4Ancient Greek-μᾰ"suffix forming a noun denoting the result of an...
5Proto-Indo-European-mn̥Creates action nouns or result nouns from verbs
Every word from Proto-Celtic tunnaEvery word from Late Latin tunnaEvery word from Old French tone