Where does “yksinäisyys” come from?

yksinäisyys (Finnish) comes from Finnish yksinäinen, from Finnish -nainen, from Finnish -inen, from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

yksinäisyys (Finnish): loneliness, solitude

Definitions

  1. loneliness, solitude

Ancestry of “yksinäisyys”, step by step

yksinäisyys traces back through two separate lines of ancestry.

via Finnish yksinäinen

StepLanguageWordMeaning
1Finnishyksinäinenlonely; solitaire
2Finnish-nainenforms adjectives, mostly describing a quality of...
3Finnish-inen-like, -ous, -y; -en; Creates adjectives from...
4Finnish-uusForms nouns from adjectives, expressing a quality
5Proto-Finnic-uc-ness, -hood

via Finnish uus

StepLanguageWordMeaning
1FinnishuusAlternative form of uusi
Every word from Proto-Finnic -ucEvery word from Finnish -inenEvery word from Finnish -uus