Where does “puolustusvoima” come from?

puolustusvoima (Finnish) comes from Finnish puolustus, from Finnish puolustaa, from Finnish puolus, from Finnish puoli, from Proto-Finnic pooli, from Proto-Uralic pälä — half.

puolustusvoima (Finnish): defence capacity the ability of an individual, group or country to defend itself against an aggressor; more frequently puolustuskyky

Definitions

defence capacity the ability of an individual, group or country to defend itself against an aggressor; more frequently puolustuskyky

Ancestry of “puolustusvoima”, step by step

puolustusvoima traces back through two separate lines of ancestry.

via Finnish puolustus

Step	Language	Word	Meaning
1	Finnish	puolustus	defense US, defence UK
2	Finnish	puolustaa	to defend
3	Finnish	puolus	—
4	Finnish	puoli	half; when followed by a number representing an...
5	Proto-Finnic	pooli	half, side; half
6	Proto-Uralic	pälä	half

via Finnish voima

Step	Language	Word	Meaning
1	Finnish	voima	power, strength, force, might; force; power
2	Proto-Finnic	voima	power, strength, force, might
3	Proto-Finnic	-ma	Forms action/result nouns from verbs; Forms the...
4	Proto-Uralic	-ma	—

Every word from Proto-Uralic pälä →Every word from Proto-Finnic pooli →Every word from Finnish puoli →