Where does “Kerli” come from?

Kerli (Estonian) comes from Estonian Kertu, from German Gertrud, from Old High German gēr, from Proto-West Germanic gaiʀ, from Proto-Germanic gaizaz, from Proto-Indo-European ǵʰoysós, from Proto-Indo-European ǵʰey- — winter.

Ancestry of “Kerli”, step by step

Kerli traces back through two separate lines of ancestry.

via Estonian Kertu

StepLanguageWordMeaning
1EstonianKertuGertrude
2GermanGertrud—
3Old High Germangērspear
4Proto-West Germanicgaiʀspear
5Proto-Germanicgaizazspear, pike, javelin
6Proto-Indo-Europeanǵʰoysósthrowing spear
7Proto-Indo-Europeanǵʰey-winter

via Estonian Lii

StepLanguageWordMeaning
1EstonianLiiElizabeth
2EstonianEliisabetElizabeth
Every word from Proto-Indo-European ǵʰey- →Every word from Proto-Indo-European ǵʰoysós →Every word from Proto-Germanic gaizaz →