Where does “aapisto” come from?

aapisto (Finnish) comes from Finnish aapinen, from Finnish aapiskirja, from Finnish kirja, from Proto-Finnic kirja — decoration, carving, pattern.

Ancestry of “aapisto”, step by step

StepLanguageWordMeaning
1Finnishaapinenprimer, ABC
2Finnishaapiskirjaprimer, ABC
3Finnishkirjabook; quire
4Proto-Finnickirjadecoration, carving, pattern
Every word from Proto-Finnic kirja →Every word from Finnish kirja →Every word from Finnish aapiskirja →
aapisto — Etymology, Origin & Word History | Etymology Explorer