Bauchflosse (German) comes from German Flosse, from Middle High German vlozze, from Old High German flozza, from Proto-Germanic flutô, from Proto-Indo-European plewd-, from Proto-Indo-European plew- — to fly, flow, run.
Bauchflosse (German): abdominal fin, pelvic fin, ventral fin
Definitions
abdominal fin, pelvic fin, ventral fin
Ancestry of “Bauchflosse”, step by step
Bauchflosse traces back through two separate lines of ancestry.