Where does “maamyyrätanrekki” come from?

maamyyrätanrekki (Finnish) comes from Finnish maamyyrä, from Finnish mää, from Finnish -inen, from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

Ancestry of “maamyyrätanrekki”, step by step

maamyyrätanrekki traces back through two separate lines of ancestry.

via Finnish maamyyrä

Step	Language	Word	Meaning
1	Finnish	maamyyrä	European mole; Any of the small burrowing...
2	Finnish	mää	baa; I
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 tanrekki

Step	Language	Word	Meaning
1	Finnish	tanrekki	tenrec
2	French	tanrec	tenrec
3	Malagasy	tàndraka	—

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