Where does “lyhenemä” come from?

lyhenemä (Finnish) comes from Finnish lyhetä, from Finnish -etä, from Proto-Finnic -t'ak, from Proto-Uralic -ta- — Forms verbs from nouns; Forms causative verbs...

Ancestry of “lyhenemä”, step by step

StepLanguageWordMeaning
1FinnishlyhetäTo shorten, to become shorter
2Finnish-etäFront vowel variant of -eta
3Proto-Finnic-t'akForms verbs from nominal stems, generally with a causative, factitive or instrumental meaning
4Proto-Uralic-ta-Forms verbs from nouns; Forms causative verbs...
Every word from Proto-Uralic -ta- →Every word from Finnish -etä →Every word from Proto-Finnic -t'ak →