Where does “pimentyminen” come from?

pimentyminen (Finnish) comes from Finnish pimentyä, from Finnish pimentää, from Finnish pimetä, from Finnish -etä, from Proto-Finnic -t'ak, from Proto-Uralic -ta- — Forms verbs from nouns; Forms causative verbs...

Ancestry of “pimentyminen”, step by step

StepLanguageWordMeaning
1FinnishpimentyäTo darken
2Finnishpimentääto darken
3Finnishpimetäto darken, to get dark
4Finnish-etäFront vowel variant of -eta
5Proto-Finnic-t'akForms verbs from nominal stems, generally with a causative, factitive or instrumental meaning
6Proto-Uralic-ta-Forms verbs from nouns; Forms causative verbs...
Every word from Proto-Uralic -ta-Every word from Finnish -etäEvery word from Proto-Finnic -t'ak