Where does “joukkokirje” come from?

joukkokirje (Finnish) comes from Finnish joukko, from Proto-Finnic joukko, from Proto-Germanic jaukiją, from Proto-Indo-European yewg- — to join, to yoke, to tie together.

joukkokirje (Finnish): circular, bulk letter, bulk mail

Definitions

  1. circular, bulk letter, bulk mail

Ancestry of “joukkokirje”, step by step

joukkokirje traces back through two separate lines of ancestry.

via Finnish joukko

StepLanguageWordMeaning
1Finnishjoukkogroup, cluster, band; crowd of people number of things or persons, especially a rather large and unorganized one
2Proto-Finnicjoukkogroup
3Proto-Germanicjaukijądraught animal; team of oxen
4Proto-Indo-Europeanyewg-to join, to yoke, to tie together

via Finnish kirje

StepLanguageWordMeaning
1Finnishkirjeletter
2Finnishkirjabook; quire
3Proto-Finnickirjadecoration, carving, pattern
Every word from Proto-Indo-European yewg-Every word from Proto-Germanic jaukijąEvery word from Proto-Finnic joukko