Where does “vastauskirje” come from?

vastauskirje (Finnish) comes from Finnish kirje, from Finnish kirja, from Proto-Finnic kirja — decoration, carving, pattern.

vastauskirje (Finnish): letter in reply

Definitions

  1. letter in reply

Ancestry of “vastauskirje”, step by step

vastauskirje traces back through two separate lines of ancestry.

via Finnish kirje

StepLanguageWordMeaning
1Finnishkirjeletter
2Finnishkirjabook; quire
3Proto-Finnickirjadecoration, carving, pattern

via Finnish vastaus

StepLanguageWordMeaning
1Finnishvastausanswer, reply, response
2Finnishvastatato answer, to reply; to respond
3Proto-Finnicvastat'akto answer, to reply
Every word from Proto-Finnic kirjaEvery word from Finnish kirjaEvery word from Finnish kirje