Where does “sotilaspuku” come from?

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

sotilaspuku (Finnish): military uniform

Definitions

military uniform

Ancestry of “sotilaspuku”, step by step

sotilaspuku traces back through two separate lines of ancestry.

via Finnish sotilas

Step	Language	Word	Meaning
1	Finnish	sotilas	soldier; pawn; jack, knave
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 puku

Step	Language	Word	Meaning
1	Finnish	puku	suit set of clothes to be worn together, now especially a man's matching jacket and trousers
2	Zulu	mpuku	—
3	Proto-Bantu	*pʊ́kʊ̀	rat, mouse

Words derived from “sotilaspuku”

sotilaspukuinen

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