Where does “mariaanienlentäväkoira” come from?

mariaanienlentäväkoira (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 “mariaanienlentäväkoira”, step by step

mariaanienlentäväkoira 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 Mariaanit

StepLanguageWordMeaning
1FinnishMariaanitthe Marianas
2GermanMarianen
Every word from Proto-Finnic -ucEvery word from Finnish -inenEvery word from Finnish -uus