Where does “naamarilentäväkoira” come from?

naamarilentäväkoira (Finnish) comes from Finnish lentäväkoira, from Finnish koira, from Finnish -nen, from Finnish -inen, from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

Ancestry of “naamarilentäväkoira”, step by step

naamarilentäväkoira traces back through two separate lines of ancestry.

via Finnish lentäväkoira

StepLanguageWordMeaning
1FinnishlentäväkoiraAlternative spelling of lentävä koira; flying fox
2Finnishkoiradog; dog paddle; military police
3Finnish-nenForms diminutives nouns or terms expressing...
4Finnish-inen-like, -ous, -y; -en; Creates adjectives from...
5Finnish-uusForms nouns from adjectives, expressing a quality
6Proto-Finnic-uc-ness, -hood

via Finnish naamari

StepLanguageWordMeaning
1Finnishnaamarimask
2Finnish-riUsed to create names of occupations from nouns or...
3Finnish-raForms nouns or adjectives, mostly from nominal...
4Finnish-iA nominal suffix used in eg. ukko → ukki; Used...
5Proto-Uralic-joblique plural
Every word from Proto-Finnic -ucEvery word from Finnish -inenEvery word from Finnish -uus