Kriechtunnel (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.
Kriechtunnel (German): crawl tunnel, play tunnel
Definitions
crawl tunnel, play tunnel
Ancestry of “Kriechtunnel”, step by step
Kriechtunnel traces back through two separate lines of ancestry.