Where does “hvězdokupa” come from?

hvězdokupa (Czech) comes from Czech hvězda, from Proto-Slavic gvězda, from Proto-Balto-Slavic *źwaisdā́ˀ, from Proto-Indo-European *ǵʰwoysdʰ-.

hvězdokupa (Czech): star cluster

Definitions

  1. star cluster

Ancestry of “hvězdokupa”, step by step

hvězdokupa traces back through two separate lines of ancestry.

via Czech hvězda

StepLanguageWordMeaning
1Czechhvězdastar; cartwheel
2Proto-Slavicgvězdastar
3Proto-Balto-Slavic*źwaisdā́ˀ—
4Proto-Indo-European*ǵʰwoysdʰ-—

via Czech kupa

StepLanguageWordMeaning
1Czechkupaheap
2Proto-Slavickupaheap, pile
3Proto-Indo-Europeankeup-to arch, bend, buckle; a hollow
4Proto-Indo-Europeankeu-bend; vault, hole; to shine; light; bright
Every word from Proto-Indo-European *ǵʰwoysdʰ- →Every word from Proto-Balto-Slavic *źwaisdā́ˀ →Every word from Proto-Slavic gvězda →