Where does “mustaliito-orava” come from?

mustaliito-orava (Finnish) comes from Finnish liito-orava, from Finnish orava, from Proto-Finnic oraba, from Proto-Uralic ora, from Proto-Indo-Iranian Hā́raH, from Proto-Indo-European h₁ólos, from Proto-Indo-European ēl- — awl, prong.

Ancestry of “mustaliito-orava”, step by step

mustaliito-orava traces back through two separate lines of ancestry.

via Finnish liito-orava

StepLanguageWordMeaning
1Finnishliito-oravaflying squirrel; Siberian flying squirrel,...
2Finnishoravasquirrel; red squirrel, Eurasian red squirrel
3Proto-Finnicorabasquirrel
4Proto-Uralicorasquirrel; awl
5Proto-Indo-IranianHā́raH
6Proto-Indo-Europeanh₁ólosawl
7Proto-Indo-Europeanēl-awl, prong

via Finnish musta

StepLanguageWordMeaning
1Finnishmustablack; black horse; Elative singular form of...
2Finnish-ntääFront vowel variant of -ntaa
Every word from Proto-Indo-European ēl-Every word from Proto-Indo-European h₁ólosEvery word from Proto-Indo-Iranian Hā́raH