Where does “selkokirja” come from?

selkokirja (Finnish) comes from Finnish selko, from Finnish selkeä, from Proto-Finnic selkedä — clear.

selkokirja (Finnish): book written in plain language, such as for language learners

Definitions

  1. book written in plain language, such as for language learners

Ancestry of “selkokirja”, step by step

selkokirja traces back through two separate lines of ancestry.

via Finnish selko

StepLanguageWordMeaning
1Finnishselkounderstanding the state of having understood, being clear
2Finnishselkeäclear, sunny; Up to 1/8 covered by clouds; clear
3Proto-Finnicselkedäclear

via Finnish kirja

StepLanguageWordMeaning
1Finnishkirjabook; quire
2Proto-Finnickirjadecoration, carving, pattern
Every word from Proto-Finnic selkedä