Where does “koisaperhonen” come from?

koisaperhonen (Finnish) comes from Finnish perhonen, from Finnish -nen, from Finnish -inen, from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

Ancestry of “koisaperhonen”, step by step

koisaperhonen traces back through two separate lines of ancestry.

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

via Finnish koisa

StepLanguageWordMeaning
1Finnishkoisasnout moth, pyralid, pyralid moth, grass moth;...
2Finnishyou, ya
3Finnishsinäyou second-person singular personal pronoun, used in familiar or neutral contexts, thou
4Proto-Finniccinäyou
5Proto-Uralictinäyou, thou
Every word from Proto-Finnic -ucEvery word from Finnish -inenEvery word from Finnish -uus