Where does “munuaissiirto” come from?

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

Ancestry of “munuaissiirto”, step by step

munuaissiirto 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 siirto

Step	Language	Word	Meaning
1	Finnish	siirto	move, shift, transport; transfer
2	Finnish	siirtää	to move, transfer; to transfer; to reschedule,...
3	Proto-Finnic	siirtädäk	to move, to transfer

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