Where does “Felsenbirne” come from?

Felsenbirne (German) comes from German Birne, from Middle High German bire, from Old High German bira, from Vulgar Latin pira, from Latin pirum — a pear.

Felsenbirne (German): shadbush, serviceberry (Amelanchier)

Definitions

  1. shadbush, serviceberry (Amelanchier)

Ancestry of “Felsenbirne”, step by step

Felsenbirne traces back through two separate lines of ancestry.

via German Birne

StepLanguageWordMeaning
1GermanBirnepear; lightbulb; head, bonce, noggin
2Middle High Germanbire—
3Old High Germanbirapear
4Vulgar Latinpira—
5Latinpiruma pear

via German Felsen

StepLanguageWordMeaning
1GermanFelsenrock
Every word from Latin pirum →Every word from Vulgar Latin pira →Every word from Old High German bira →