orka (Polish) comes from Polish orać, from Proto-Slavic oràti, from Proto-Balto-Slavic árˀtei, from Proto-Indo-European h₂éryeti, from Proto-Indo-European h₂erh₃-, from Proto-Indo-European h₁er- — earth.
orka (Polish): ploughing; tilling; killer whale
Definitions
ploughing; tilling; killer whale
Ancestry of “orka”, step by step
orka traces back through two separate lines of ancestry.