Where does “kuupurje” come from?

kuupurje (Finnish) comes from Finnish purje, from Proto-Finnic purjeh, from Proto-Germanic buriz, from Proto-Indo-European bʰēr- — shiny, light brown.

kuupurje (Finnish): moonraker, moonsail

Definitions

  1. moonraker, moonsail

Ancestry of “kuupurje”, step by step

kuupurje traces back through two separate lines of ancestry.

via Finnish purje

StepLanguageWordMeaning
1Finnishpurjesail; rag, sheet
2Proto-Finnicpurjehsail
3Proto-Germanicburizmale offspring; son; elevation; hill; favourable...
4Proto-Indo-Europeanbʰēr-shiny, light brown

via Finnish Kuu

StepLanguageWordMeaning
1FinnishKuuThe Moon the satellite of the Earth
2Finnishkuusisix; spruce; Norway spruce, "Picea abies"
3Proto-Finnickuucisix
4Proto-Uralickutteridge; six
Every word from Proto-Indo-European bʰēr-Every word from Proto-Germanic burizEvery word from Proto-Finnic purjeh