Where does “maistuminen” come from?

maistuminen (Finnish) comes from Finnish maistua, from Finnish maistaa, from Finnish maku, from Proto-Finnic maku, from Proto-Germanic smakkuz, from Proto-Indo-European smegʰ-.

Ancestry of “maistuminen”, step by step

Step	Language	Word	Meaning
1	Finnish	maistua	to taste have a taste, taste like
2	Finnish	maistaa	to taste; to taste, have a taste of
3	Finnish	maku	taste, flavor; sense of taste; flavor of a quark...
4	Proto-Finnic	maku	taste, flavour
5	Proto-Germanic	smakkuz	taste, savour, smatch, flavour
6	Proto-Indo-European	smegʰ-	—

Every word from Proto-Indo-European smegʰ- →Every word from Proto-Germanic smakkuz →Every word from Proto-Finnic maku →