Where does “sparnas” come from?

sparnas (Proto-Balto-Slavic) comes from Proto-Indo-European pornóm, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Ancestry of “sparnas”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeanpornómfeather, wing; fern, leaf
2Proto-Indo-Europeanper-before, in front; first; to go through
3Proto-Indo-Europeanpr̥tóspassed , crossed

Words derived from “sparnas”

Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Proto-Indo-European pornóm →