Schleimhaut (German) comes from German Schleim, from Middle High German slīm, from Old High German slimb, from Proto-West Germanic *slimb, from Proto-Germanic slimbaz, from Proto-Indo-European (s)lemb- — to droop; sag; hang loosely.
Schleimhaut (German): mucous membrane, mucosa
Definitions
mucous membrane, mucosa
Ancestry of “Schleimhaut”, step by step
Schleimhaut traces back through two separate lines of ancestry.