Where does “kiitäjäperhonen” come from?

kiitäjäperhonen (Finnish) comes from Finnish kiitäjä, from Finnish jä, from Proto-Finno-Ugric *ja, from Proto-Germanic jahw, from Proto-Germanic -hw, from Proto-Germanic -hwe, from Proto-Indo-European -kʷe — and; Forms distributives from interrogatives.

Ancestry of “kiitäjäperhonen”, step by step

kiitäjäperhonen traces back through two separate lines of ancestry.

via Finnish kiitäjä

StepLanguageWordMeaning
1Finnishkiitäjähawk moth, sphinx moth, sphingid; hornworm; swift
2Finnishice
3Proto-Finno-Ugric*ja
4Proto-Germanicjahwand, also
5Proto-Germanic-hwand; Forms distributives from interrogatives
6Proto-Germanic-hwe
7Proto-Indo-European-kʷeand; Forms distributives from interrogatives

via Finnish perhonen

StepLanguageWordMeaning
1Finnishperhoneninsect of the order Lepidoptera; butterfly, moth...
2Finnish-nenForms diminutives nouns or terms expressing...
3Finnish-inen-like, -ous, -y; -en; Creates adjectives from...
4Finnish-uusForms nouns from adjectives, expressing a quality
5Proto-Finnic-uc-ness, -hood
Every word from Proto-Indo-European -kʷeEvery word from Proto-Germanic -hwEvery word from Proto-Germanic jahw