болиш (Tajik) comes from Classical Persian بالش, from Pahlavi 𐭡𐭠𐭫𐭱𐭭, from Proto-Iranian barjíš, from Proto-Indo-Iranian bʰarȷ́ʰíš, from Proto-Indo-European bʰelǵʰ-, from Proto-Indo-European bʰel-, from Proto-Indo-European bʰōl-.
болиш (Tajik): pillow