bilangan (Jawi spelling بيلڠن)
bilang + -an, from Proto-Malayic *bilaŋ-an, from Proto-Malayo-Chamic *bilaŋ-an, from Proto-Malayo-Sumbawan *bilaŋ-an, from Proto-Sunda-Sulawesi *bilaŋ-an, from Proto-Western Malayo-Polynesian *bilaŋ-an.