Where does “tuneladora” come from?

tuneladora (Spanish) comes from Spanish tunelar, from Spanish túnel, from English Tunnel, from Old French tonel, from Old French tone, from Late Latin tunna, from Proto-Celtic tunna — hide, skin.

tuneladora (Spanish): tunnel boring machine, TBM, tunnelling machine

Definitions

  1. tunnel boring machine, TBM, tunnelling machine

Ancestry of “tuneladora”, step by step

StepLanguageWordMeaning
1Spanishtunelarto tunnel
2Spanishtúneltunnel; nutmeg
3EnglishTunnelAn underground or underwater passage
4Old Frenchtonelbarrel
5Old Frenchtonelarge barrel
6Late Latintunnatun, box
7Proto-Celtictunnahide, skin
Every word from Proto-Celtic tunna →Every word from Late Latin tunna →Every word from Old French tone →