Where does “Linnainmaa” come from?

Linnainmaa (Finnish) comes from Finnish mää, from Finnish -inen, from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

Ancestry of “Linnainmaa”, step by step

Linnainmaa traces back through two separate lines of ancestry.

via Finnish mää

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

via Finnish Linna

StepLanguageWordMeaning
1FinnishLinnacastle large fortified residential building
2Proto-Finniclitnatown, city; fortification, fortress
Every word from Proto-Finnic -ucEvery word from Finnish -inenEvery word from Finnish -uus