Where does “sardiniankerttu” come from?

sardiniankerttu (Finnish) comes from Finnish Kerttu, 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.

sardiniankerttu (Finnish): Marmora's warbler, Curruca sarda species of warbler endemic to some Mediterranean islands, particularly Sardinia and Corsica

Definitions

  1. Marmora's warbler, Curruca sarda species of warbler endemic to some Mediterranean islands, particularly Sardinia and Corsica

Ancestry of “sardiniankerttu”, step by step

sardiniankerttu traces back through two separate lines of ancestry.

via Finnish Kerttu

StepLanguageWordMeaning
1FinnishKerttuGretel, the girl in the fairy tale Hansel and Gretel
2GermanGertrud—
3Old High Germangērspear
4Proto-West Germanicgaiʀspear
5Proto-Germanicgaizazspear, pike, javelin
6Proto-Indo-Europeanǵʰoysósthrowing spear
7Proto-Indo-Europeanǵʰey-winter

via Finnish Sardinia

StepLanguageWordMeaning
1FinnishSardiniaSardinian language
2EnglishSardinia—
3LatinSardinia—
4Ancient GreekΣαρδώSardinia
Every word from Proto-Indo-European ǵʰey- →Every word from Proto-Indo-European ǵʰoysós →Every word from Proto-Germanic gaizaz →