Fettarsch (German) comes from German fett, from Middle Low German vet, from Old Saxon fētid, from Proto-West Germanic faitid, from Proto-West Germanic fait, from Proto-Germanic faitaz, from Proto-Indo-European poyH-, from Proto-Indo-European peyH- — fat, milk.
Fettarsch (German): fat-ass, lard-ass
Definitions
fat-ass, lard-ass
Ancestry of “Fettarsch”, step by step
Fettarsch traces back through two separate lines of ancestry.