Where does “eineiig” come from?

eineiig (German) comes 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, from Proto-West Germanic īs — ice, frost.

eineiig (German): monozygotic, identical twins

Definitions

  1. monozygotic, identical twins

Ancestry of “eineiig”, step by step

eineiig traces back through two separate lines of ancestry.

via German Ei

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

via German ein

StepLanguageWordMeaning
1Germaneinone; a, an; indicating motion into something
2Middle High Germaneinone
3Old High Germaneinone; only
4Proto-West Germanicainone
5Proto-Germanicainazone; some
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European h₁eyH-