Where does “Butterbirne” come from?

Butterbirne (German) comes from German butter, from Middle High German buter, from Old High German butira, from Proto-West Germanic buterā, from Latin būtȳrum, from Ancient Greek βούτυρον, from Ancient Greek τυρός, from Proto-Hellenic tūrós — to swell; to crowd; to be strong.

Butterbirne (German): butter pear i.e. avocado

Definitions

  1. butter pear i.e. avocado

Ancestry of “Butterbirne”, step by step

Butterbirne traces back through two separate lines of ancestry.

via German butter

StepLanguageWordMeaning
1Germanbutterinflection of buttern: ## first-person singular...
2Middle High Germanbuterbutter
3Old High Germanbutirabutter
4Proto-West Germanicbuterābutter
5Latinbūtȳrumbutter
6Ancient Greekβούτυρονbutter
7Ancient Greekτυρόςcheese
8Proto-Hellenictūróscheese
9Proto-Indo-Europeantuh₂-ró-s
10Proto-Indo-Europeantewh₂-to swell; to crowd; to be strong

via German Birne

StepLanguageWordMeaning
1GermanBirnepear; lightbulb; head, bonce, noggin
2Middle High Germanbire
3Old High Germanbirapear
4Vulgar Latinpira
5Latinpiruma pear
Every word from Proto-Indo-European tewh₂-Every word from Proto-Indo-European tuh₂-ró-sEvery word from Proto-Hellenic tūrós
Butterbirne — Etymology, Origin & Word History | Etymology Explorer