Where does “tunnel” come from?

Tunnel comes from Middle French tonnelle, derived from French tonne, from Latin tunna, from Proto-Celtic tunna, originally denoting a large cask or barrel.

tunnel (English): An underground or underwater passage; A passage...

Definitions

  1. An underground or underwater passage; A passage...

Ancestry of “tunnel”, step by step

tunnel traces back through 3 separate lines of ancestry.

via French tonnelle

StepLanguageWordMeaning
1Frenchtonnellearbour
2Frenchtonnetonne, metric ton; ton; first-person singular...
3Latintunnatun, box
4Proto-Celtictondāskin; surface, skin
5Proto-Indo-Europeantend-to stretch, to extend; to split, cut off
6Proto-Indo-Europeantemh₂-to stretch, string; to cut

via Old French tonel

StepLanguageWordMeaning
1Old Frenchtonelbarrel
2Old Frenchtonelarge barrel
3Late Latintunnatun, box
4Proto-Celtictunnahide, skin

via Middle French tonnelle

StepLanguageWordMeaning
1Middle Frenchtonnellebarrel; underground tube
2Old Frenchtonneton; cask

Words derived from “tunnel

Every word from Proto-Indo-European temh₂-