Where does “munuaisrakkula” come from?

munuaisrakkula (Finnish) comes from Finnish munuainen, from Finnish -uainen, from Finnish -inen, from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

Ancestry of “munuaisrakkula”, step by step

munuaisrakkula traces back through two separate lines of ancestry.

via Finnish munuainen

Step	Language	Word	Meaning
1	Finnish	munuainen	kidney
2	Finnish	-uainen	Forms certain nouns, particularly for parts of...
3	Finnish	-inen	-like, -ous, -y; -en; Creates adjectives from...
4	Finnish	-uus	Forms nouns from adjectives, expressing a quality
5	Proto-Finnic	-uc	-ness, -hood

via Finnish rakkula

Step	Language	Word	Meaning
1	Finnish	rakkula	blister, vesicle; saccule
2	Finnish	rakko	bladder; blister; vesicle
3	Proto-Finnic	rakko	bladder; blister

Every word from Proto-Finnic -uc →