Where does “vartiotehtävä” come from?

vartiotehtävä (Finnish) comes from Finnish tehtävä, from Finnish tehdä, from Proto-Finnic tektäk, from Proto-Uralic teke-, from Proto-Indo-European dʰeh₁- — to do, put, place.

vartiotehtävä (Finnish): guard duty, sentry duty

Definitions

guard duty, sentry duty

Ancestry of “vartiotehtävä”, step by step

vartiotehtävä traces back through two separate lines of ancestry.

via Finnish tehtävä

Step	Language	Word	Meaning
1	Finnish	tehtävä	task a piece of work done as part of one's duties
2	Finnish	tehdä	to do, perform, execute; to make, manufacture; to...
3	Proto-Finnic	tektäk	to do; to make
4	Proto-Uralic	teke-	to do; to put, to place
5	Proto-Indo-European	dʰeh₁-	to do, put, place

via Finnish vartio

Step	Language	Word	Meaning
1	Finnish	vartio	guard, watch; troop
2	Finnish	vartija	guard
3	Finnish	-ja	-er
4	Proto-Finnic	-ja	Forms agent nouns from verbs
5	Proto-Uralic	-ja	Forms the present participle

Every word from Proto-Indo-European dʰeh₁- →Every word from Proto-Uralic teke- →Every word from Proto-Finnic tektäk →