Where does “lupakirja” come from?

lupakirja (Finnish) comes from Finnish lupa, from Proto-Finnic lupa, from Proto-Germanic lubą, from Proto-Indo-European lewbʰ-, from Proto-Indo-European lēw- — to sound, resound, sing out; to leave.

lupakirja (Finnish): written authorization, letter of authorization,...

Definitions

  1. written authorization, letter of authorization,...

Ancestry of “lupakirja”, step by step

lupakirja traces back through two separate lines of ancestry.

via Finnish lupa

StepLanguageWordMeaning
1Finnishlupapermission; a license, permit
2Proto-Finniclupapermission
3Proto-Germaniclubąpraise
4Proto-Indo-Europeanlewbʰ-to desire, covet, want; to admire, praise; to...
5Proto-Indo-Europeanlēw-to sound, resound, sing out; to leave

via Finnish kirja

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

Words derived from “lupakirja

Every word from Proto-Indo-European lēw-Every word from Proto-Indo-European lewbʰ-Every word from Proto-Germanic lubą