Where does “parnám” come from?

parnám (Proto-Indo-Aryan) comes from Proto-Indo-Iranian parnám, from Proto-Indo-European pornóm, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Ancestry of “parnám”, step by step

StepLanguageWordMeaning
1Proto-Indo-Iranianparnámleaf; feather, wing
2Proto-Indo-Europeanpornómfeather, wing; fern, leaf
3Proto-Indo-Europeanper-before, in front; first; to go through
4Proto-Indo-Europeanpr̥tóspassed , crossed

Words derived from “parnám

Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European pornóm