بہنا (Urdu) comes from Sauraseni Prakrit 𑀯𑀳𑀤𑀺, from Sanskrit वहति, from Proto-Indo-Aryan wáźʰati, from Proto-Indo-Iranian wáȷ́ʰati, from Proto-Indo-European wéǵʰeti, from Proto-Indo-European weǵʰ- — to bring; to transport.
بہنا (Urdu): to flow; to drift; to float