Where does “kuusijuhla” come from?

kuusijuhla (Finnish) comes from Finnish juhla, from Proto-Finnic juhla, from Proto-Germanic jehwlą, from Proto-Indo-European yekə- — joke, play.

Ancestry of “kuusijuhla”, step by step

kuusijuhla traces back through two separate lines of ancestry.

via Finnish juhla

StepLanguageWordMeaning
1Finnishjuhlaparty, celebration; feast; celebration
2Proto-Finnicjuhla
3Proto-Germanicjehwląfestivity, celebration; Yule
4Proto-Indo-Europeanyekə-joke, play

via Finnish kuusi

StepLanguageWordMeaning
1Finnishkuusisix; spruce; Norway spruce, "Picea abies"
2Proto-Finnickuucisix
3Proto-Uralickutteridge; six
Every word from Proto-Indo-European yekə-Every word from Proto-Germanic jehwląEvery word from Proto-Finnic juhla