Where does “vierttsa” come from?

vierttsa (Lule Sami) comes from Proto-Samic vierccë, from Proto-Samic vērttës, from Proto-Germanic weþruz, from Proto-Indo-European wēt- — year.

Definitions

Ancestry of “vierttsa”, step by step

StepLanguageWordMeaning
1Proto-Samicvierccëram
2Proto-Samicvērttës—
3Proto-Germanicweþruzyearling lamb; wether, ram
4Proto-Indo-Europeanwēt-year
Every word from Proto-Indo-European wēt- →Every word from Proto-Germanic weþruz →Every word from Proto-Samic vērttës →