Where does “tveægget” come from?

tveægget (Danish) comes from Danish ét, from Old Norse eitt, from Old Norse einn, from Proto-Germanic ainaz, from Proto-Indo-European óynos — one; single.

tveægget (Danish): double-edged; dizygotic, fraternal

Definitions

  1. double-edged; dizygotic, fraternal

Ancestry of “tveægget”, step by step

tveægget traces back through 3 separate lines of ancestry.

via Danish ét

StepLanguageWordMeaning
1Danishétneuter singular of en
2Old Norseeittnominative/accusative neuter singular of einn
3Old Norseeinnone; some, a few
4Proto-Germanicainazone; some
5Proto-Indo-Europeanóynosone; single

via Danish æg

StepLanguageWordMeaning
1Danishægegg; edge of a blade; imperative of ægge
2Old Norseeggegg; edge
3Proto-Germanicagjōedge, corner
4Proto-Indo-Europeanh₂eḱ-sharp

via Old Norse tvíeggjaðr

StepLanguageWordMeaning
1Old Norsetvíeggjaðrdouble-edged
Every word from Proto-Indo-European óynos →Every word from Proto-Germanic ainaz →Every word from Old Norse einn →