From Proto-Loloish *bya² (Bradley), from Proto-Sino-Tibetan. Cognate with Burmese ပျား (pya:), Tibetan བྱ (bya, “bird”), Ersu bzɿ³³ ("honeybee"), Japhug pɣa (“bird”), Idu pɹɑ⁵⁵ ɑ⁵⁵ ("bird").
bbiur