Where does “natr” come from?

natr (Old Breton) comes from Proto-Celtic natrixs, from Proto-Indo-European n̥h₁trih₂, from Proto-Indo-European snéh₁ — to spin, twist.

Ancestry of “natr”, step by step

StepLanguageWordMeaning
1Proto-Celticnatrixssnake
2Proto-Indo-Europeann̥h₁trih₂—
3Proto-Indo-Europeansnéh₁to spin, twist

Words derived from “natr”

Every word from Proto-Indo-European snéh₁ →Every word from Proto-Indo-European n̥h₁trih₂ →Every word from Proto-Celtic natrixs →