Where does “vaihettuminen” come from?
vaihettuminen (Finnish) comes from Finnish vaihettua, from Finnish -ttua, from Finnish -ttää, from Proto-Finnic -ttadak, from Proto-Uralic -kta-.
vaihettuminen (Finnish) comes from Finnish vaihettua, from Finnish -ttua, from Finnish -ttää, from Proto-Finnic -ttadak, from Proto-Uralic -kta-.