bʰaȷ́ʰu-lás (Proto-Indo-Iranian) comes from Proto-Indo-Iranian bʰaȷ́ʰúš, from Proto-Indo-European bʰénǵʰus, from Proto-Indo-European bʰenǵʰ-, from Proto-Indo-European bʰen- — to beat, hit, injure; to hit, strike, injure; to...