Where does “raunioiskasvi” come from?

raunioiskasvi (Finnish) comes from Finnish raunioinen, from Finnish raunio, from Finnish -io, from Finnish -o, from Proto-Finnic -o, from Proto-Uralic -w.

raunioiskasvi (Finnish): spleenwort

Definitions

spleenwort

Ancestry of “raunioiskasvi”, step by step

raunioiskasvi traces back through two separate lines of ancestry.

via Finnish raunioinen

Step	Language	Word	Meaning
1	Finnish	raunioinen	ruiny, with many ruins
2	Finnish	raunio	ruin
3	Finnish	-io	Forms nouns from verbs or verbal stems; Forms...
4	Finnish	-o	Forms result or action nouns from verbs; Forms...
5	Proto-Finnic	-o	Forms action/result nouns from verbs
6	Proto-Uralic	-w	—

via Finnish kasvi

Step	Language	Word	Meaning
1	Finnish	kasvi	plant
2	Finnish	kasvaa	to grow
3	Proto-Finnic	kasvadak	to grow
4	Proto-Indo-European	h₂ewks-	—

Every word from Proto-Uralic -w →Every word from Finnish -o →Every word from Proto-Finnic -o →