Where does “tvístirni” come from?

tvístirni (Icelandic) comes from Icelandic stjarna, from Old Norse stjarna, from Proto-Germanic sternǭ, from Proto-Indo-European h₂stḗr, from Proto-Indo-European h₂eHs- — to be/become dry; to burn, to glow; hearth.

tvístirni (Icelandic): binary star

Definitions

  1. binary star

Ancestry of “tvístirni”, step by step

tvístirni traces back through two separate lines of ancestry.

via Icelandic stjarna

StepLanguageWordMeaning
1Icelandicstjarnaa star
2Old Norsestjarnastar
3Proto-Germanicsternǭstar
4Proto-Indo-Europeanh₂stḗrstar
5Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth

via Icelandic tví

StepLanguageWordMeaning
1Icelandictví—
Every word from Proto-Indo-European h₂eHs- →Every word from Proto-Indo-European h₂stḗr →Every word from Proto-Germanic sternǭ →