Where does “Tunnelbohrmaschine” come from?

Tunnelbohrmaschine (German) comes from German Bohrmaschine, from German Maschine, from French machine, from Middle French machine, from Latin māchina, from Ancient Greek μαχανά, from Ancient Greek μηχανή, from Ancient Greek μῆχος — to be able.

Tunnelbohrmaschine (German): tunnel boring machine, TBM, tunnelling machine a large machine used to excavate tunnels with a circular cross section

Definitions

  1. tunnel boring machine, TBM, tunnelling machine a large machine used to excavate tunnels with a circular cross section

Ancestry of “Tunnelbohrmaschine”, step by step

Tunnelbohrmaschine traces back through two separate lines of ancestry.

via German Bohrmaschine

StepLanguageWordMeaning
1GermanBohrmaschinedrill
2GermanMaschinemachine; engine; airplane
3Frenchmachinemachine, device; machine
4Middle Frenchmachinemachine; device
5Latinmāchinacontrivance
6Ancient GreekμαχανάDoric form of μηχᾰνή
7Ancient Greekμηχανήcontrivance, machine, device, gear; way, means
8Ancient Greekμῆχοςmeans, expedient, remedy
9Proto-Indo-Europeanmeǵʰ-to be able

via German Tunnel

StepLanguageWordMeaning
1GermanTunneltunnel
2EnglishTunnelAn underground or underwater passage
3Old Frenchtonelbarrel
4Old Frenchtonelarge barrel
5Late Latintunnatun, box
6Proto-Celtictunnahide, skin
Every word from Proto-Indo-European meǵʰ-Every word from Ancient Greek μῆχοςEvery word from Ancient Greek μηχανή