Erdapfel (German) comes from German Erde, from Middle High German erde, from Old High German erda, from Proto-West Germanic erþu, from Proto-Germanic erþō, from Proto-Indo-European h₁er- — earth.
Erdapfel (German): potato
Definitions
potato
Ancestry of “Erdapfel”, step by step
Erdapfel traces back through two separate lines of ancestry.