untertauchen (German) comes from German Unter, from Middle High German under, from Old High German untar, from Proto-Germanic under, from Proto-Indo-European h₁entér, from Proto-Indo-European h₁en — in; in, inside.
untertauchen (German): to dive, to plunge of a diver, etc.; to submerge of a submarine, etc
Definitions
to dive, to plunge of a diver, etc.; to submerge of a submarine, etc
Ancestry of “untertauchen”, step by step
untertauchen traces back through two separate lines of ancestry.