Where does “microeinstein” come from?

microeinstein (English) comes from English einstein, from German Einstein, from German stein, from Middle High German stein, from Old High German stein, from Proto-West Germanic stain, from Proto-Germanic stainaz, from Proto-Indo-European steyh₂- — to stand.

microeinstein (English): The unit equal to one millionth of an einstein

Definitions

  1. The unit equal to one millionth of an einstein

Ancestry of “microeinstein”, step by step

microeinstein traces back through two separate lines of ancestry.

via English einstein

StepLanguageWordMeaning
1EnglisheinsteinOne mole of photons, regardless of frequency, as...
2GermanEinsteinan extremely intelligent person
3Germansteinstone, rock
4Middle High Germansteinstone
5Old High Germansteinstone
6Proto-West Germanicstainstone
7Proto-Germanicstainazstone
8Proto-Indo-Europeansteyh₂-to stiffen
9Proto-Indo-Europeansteh₂-to stand

via English micro

StepLanguageWordMeaning
1EnglishmicroSmall, relatively small; short form of...
2Ancient Greekμικρόςlittle, small
3Proto-Indo-Europeanmēy-soft, tender, dear
Every word from Proto-Indo-European steh₂-Every word from Proto-Indo-European steyh₂-Every word from Proto-Germanic stainaz