Where does “Pohjoismäki” come from?

Pohjoismäki (Finnish) comes from Finnish Mäki, from Finnish -lä, from Finnish -as, from Proto-Finnic -s, from Proto-Finno-Ugric -s.

Ancestry of “Pohjoismäki”, step by step

Pohjoismäki traces back through two separate lines of ancestry.

via Finnish Mäki

StepLanguageWordMeaning
1FinnishMäkiAny of a number of small places in Finland
2Finnish-läFront vowel variant of -la
3Finnish-asForms some adjectives; Forms some nouns
4Proto-Finnic-sForms nouns
5Proto-Finno-Ugric-s

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
Every word from Proto-Finno-Ugric -sEvery word from Finnish -läEvery word from Finnish Mäki