Where does “kielenvaihto” come from?

kielenvaihto (Finnish) comes from Finnish vaihto, from Finnish vaihtaa, from Proto-Finnic vaihtadak, from Proto-Finnic -tadak, from Proto-Uralic -ta- — Forms verbs from nouns; Forms causative verbs...

kielenvaihto (Finnish): language shift

Definitions

  1. language shift

Ancestry of “kielenvaihto”, step by step

kielenvaihto traces back through two separate lines of ancestry.

via Finnish vaihto

StepLanguageWordMeaning
1Finnishvaihtoexchange; swap; shift key
2Finnishvaihtaato change, replace; to exchange, switch; to swap
3Proto-Finnicvaihtadakto change
4Proto-Finnic-tadakForms verbs from both nominal and verbal stems
5Proto-Uralic-ta-Forms verbs from nouns; Forms causative verbs...

via Finnish kieli

StepLanguageWordMeaning
1Finnishkielitongue; language; string
2Proto-Finnickeelitongue; language
3Proto-Uralickäletongue; language
Every word from Proto-Uralic -ta-Every word from Proto-Finnic -tadakEvery word from Proto-Finnic vaihtadak