From Jurchen /bə(ɡ)i lə/ or /bə(ɡ)i in/. Cognate with Chinese 勃極烈 or Chinese 勃堇
ᠪᡝᡳ᠌ᠯᡝ (bei᠌le) m (plural ᠪᡝᡳᠰᡝ)
ᠪᡝᡳ᠌ᠯᡝ (bei᠌le)