Where does “bʾlšn'” come from?

bʾlšn' (Middle Persian) comes from Proto-Iranian barjíš, from Proto-Indo-Iranian bʰarȷ́ʰíš, from Proto-Indo-European bʰelǵʰ-, from Proto-Indo-European bʰel-, from Proto-Indo-European bʰōl-.

Ancestry of “bʾlšn'”, step by step

StepLanguageWordMeaning
1Proto-Iranianbarjíš—
2Proto-Indo-Iranianbʰarȷ́ʰíšpillow; bed or layer of grass
3Proto-Indo-Europeanbʰelǵʰ-to swell
4Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
5Proto-Indo-Europeanbʰōl-—
Every word from Proto-Indo-European bʰōl- →Every word from Proto-Indo-European bʰel- →Every word from Proto-Indo-European bʰelǵʰ- →