First mentioned in 1075 as Bilena. According to Albrecht Greule, of native Germanic origin and from some derivation of Proto-Indo-European *bʰel- (“white, bright”). Or, from a Slavic derivation of the same root, similar to the river Biela.
Ćwicz mówienie i zapamiętywanie " Bille " i wielu innych słów i zdań z niemiecki .