Where does “Pohjois-Mariaanit” come from?

Pohjois-Mariaanit (Finnish) comes from Finnish pohjoinen, from Finnish -inen, from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

Ancestry of “Pohjois-Mariaanit”, step by step

Pohjois-Mariaanit traces back through two separate lines of ancestry.

via Finnish pohjoinen

StepLanguageWordMeaning
1Finnishpohjoinennorth; northern
2Finnish-inen-like, -ous, -y; -en; Creates adjectives from...
3Finnish-uusForms nouns from adjectives, expressing a quality
4Proto-Finnic-uc-ness, -hood

via Finnish Mariaanit

StepLanguageWordMeaning
1FinnishMariaanitthe Marianas
2GermanMarianen—
Every word from Proto-Finnic -uc →Every word from Finnish -inen →Every word from Finnish -uus →