Where does “蛋白” come from?

蛋白 (Japanese) comes from German Eiweiß, from German Ei, from Middle High German ei, from Old High German ei, from Proto-West Germanic aij, from English ice, from Middle English is, from Old English īs — ice, frost.

蛋白 (Japanese): egg white, albumen

Definitions

  1. egg white, albumen

Ancestry of “蛋白”, step by step

蛋白 traces back through two separate lines of ancestry.

via German Eiweiß

StepLanguageWordMeaning
1GermanEiweißalbumen, egg white; protein
2GermanEiegg; something egg-shaped; testicle; ball
3Middle High Germaneiegg
4Old High Germaneian egg
5Proto-West Germanicaijegg
6EnglishiceWater in frozen form; Any frozen volatile...
7Middle Englishisice; That which is short-lived like ice; icy...
8Old Englishīsice
9Proto-West Germanicīsice
10Proto-Germanicīsąice
11Proto-Indo-Europeanh₁eyH-ice, frost

via Middle Chinese 蛋白

StepLanguageWordMeaning
1Middle Chinese蛋白

Words derived from “蛋白

Every word from Proto-Indo-European h₁eyH-Every word from Proto-Germanic īsąEvery word from Proto-West Germanic īs