Where does “kiinnikasvama” come from?

kiinnikasvama (Finnish) comes from Estonian kasvama, from Finnish kasvaa, from Proto-Finnic kasvadak, from Proto-Indo-European h₂ewks-.

Ancestry of “kiinnikasvama”, step by step

kiinnikasvama traces back through two separate lines of ancestry.

via Estonian kasvama

StepLanguageWordMeaning
1Estoniankasvamato grow
2Finnishkasvaato grow
3Proto-Finnickasvadakto grow
4Proto-Indo-Europeanh₂ewks-—

via Finnish kiinni

StepLanguageWordMeaning
1Finnishkiinniclosed; attached, connected, fastened; due to,...
2Finnishkiinteäsolid, rigid; firm; fixed
3Proto-Finnickiintedä—
Every word from Proto-Indo-European h₂ewks- →Every word from Proto-Finnic kasvadak →Every word from Finnish kasvaa →