Where does “sinkojoukkue” come from?

sinkojoukkue (Finnish) comes from Finnish joukkue, from Finnish joukko, from Proto-Finnic joukko, from Proto-Germanic jaukiją, from Proto-Indo-European yewg- — to join, to yoke, to tie together.

sinkojoukkue (Finnish): RPG platoon

Definitions

RPG platoon

Ancestry of “sinkojoukkue”, step by step

sinkojoukkue traces back through two separate lines of ancestry.

via Finnish joukkue

Step	Language	Word	Meaning
1	Finnish	joukkue	A team; A platoon
2	Finnish	joukko	group, cluster, band; crowd of people number of things or persons, especially a rather large and unorganized one
3	Proto-Finnic	joukko	group
4	Proto-Germanic	jaukiją	draught animal; team of oxen
5	Proto-Indo-European	yewg-	to join, to yoke, to tie together

via Finnish sinko

Step	Language	Word	Meaning
1	Finnish	sinko	a (usually shoulder-fired) weapon which fires anti-tank projectiles; recoilless rifle, rocket launcher especially a shoulder-fired one; colloquial bazooka
2	Finnish	singota	to fling, hurl, throw, dart; to catapult

Every word from Proto-Indo-European yewg- →Every word from Proto-Germanic jaukiją →Every word from Proto-Finnic joukko →