Where does “oppilasvalinta” come from?

oppilasvalinta (Finnish) comes from Finnish oppilas, from Finnish -las, from Finnish -lä, from Finnish -as, from Proto-Finnic -s, from Proto-Finno-Ugric -s.

oppilasvalinta (Finnish): student selection, pupil selection

Definitions

student selection, pupil selection

Ancestry of “oppilasvalinta”, step by step

oppilasvalinta traces back through two separate lines of ancestry.

via Finnish oppilas

Step	Language	Word	Meaning
1	Finnish	oppilas	pupil
2	Finnish	-las	Forms nouns used to describe people; Forms...
3	Finnish	-lä	Front vowel variant of -la
4	Finnish	-as	Forms some adjectives; Forms some nouns
5	Proto-Finnic	-s	Forms nouns
6	Proto-Finno-Ugric	-s	—

via Finnish valinta

Step	Language	Word	Meaning
1	Finnish	valinta	selection; choice; volition
2	Finnish	valita	to choose, select, elect; Indicative present...
3	Proto-Finnic	valit'ak	to choose, to pick, to select
4	Proto-Germanic	waljaną	to choose, to pick, to select
5	Proto-Indo-European	welh₁-	to choose; to want

Every word from Proto-Finno-Ugric -s →Every word from Finnish -lä →Every word from Finnish -las →