Where does “ohko-” come from?

ohko- (Finnish) comes from Finnish ohkainen, from Finnish -kainen, from Finnish -kkä, from Finnish -inen, from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

Ancestry of “ohko-”, step by step

Step	Language	Word	Meaning
1	Finnish	ohkainen	thin
2	Finnish	-kainen	Creates nouns referring to things or beings that...
3	Finnish	-kkä	Front vowel variant of -kka
4	Finnish	-inen	-like, -ous, -y; -en; Creates adjectives from...
5	Finnish	-uus	Forms nouns from adjectives, expressing a quality
6	Proto-Finnic	-uc	-ness, -hood

Words derived from “ohko-”

ohkolevy

Every word from Proto-Finnic -uc →Every word from Finnish -inen →Every word from Finnish -uus →