Where does “Kaltborn” come from?

Kaltborn (German) comes from German kalt, from Old High German kalt, from Proto-West Germanic kald, from Proto-Germanic kaldaz, from Proto-Germanic kalaną, from Proto-Indo-European ǵel- — to swallow; swallow.

Ancestry of “Kaltborn”, step by step

Kaltborn traces back through two separate lines of ancestry.

via German kalt

StepLanguageWordMeaning
1Germankaltcold, chilly; "the physical perception of...
2Old High Germankaltcold
3Proto-West Germanickaldcold
4Proto-Germanickaldazcold
5Proto-Germanickalanąto be cold, to freeze
6Proto-Indo-Europeanǵel-to swallow; swallow

via German born

StepLanguageWordMeaning
1Germanbornwell, spring water source
Every word from Proto-Indo-European ǵel-Every word from Proto-Germanic kalanąEvery word from Proto-Germanic kaldaz