Where does “siirtymäsumu” come from?

siirtymäsumu (Finnish) comes from Finnish siirtymä, from Finnish siirtyä, from Finnish siirtää, from Proto-Finnic siirtädäk — to move, to transfer.

siirtymäsumu (Finnish): advection fog

Definitions

  1. advection fog

Ancestry of “siirtymäsumu”, step by step

siirtymäsumu traces back through two separate lines of ancestry.

via Finnish siirtymä

StepLanguageWordMeaning
1Finnishsiirtymätransition; displacement
2Finnishsiirtyäto move
3Finnishsiirtääto move, transfer; to transfer; to reschedule,...
4Proto-Finnicsiirtädäkto move, to transfer

via Finnish sumu

StepLanguageWordMeaning
1Finnishsumufog, mist; nebula
2Proto-Finnicsumufog, mist
Every word from Proto-Finnic siirtädäk →Every word from Finnish siirtää →Every word from Finnish siirtyä →