Where does “oppilasaines” come from?

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

oppilasaines (Finnish): students of a certain level collectively

Definitions

students of a certain level collectively

Ancestry of “oppilasaines”, step by step

oppilasaines 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 aines

Step	Language	Word	Meaning
1	Finnish	aines	material; ingredient, constituent
2	Finnish	aine	matter, material, substance; subject, discipline;...
3	Proto-Germanic	abniją	That which is made; material; stuff
4	Proto-Germanic	*abnijaną	—
5	Proto-Indo-European	ōp-	to achieve

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