To flow back.
पीछे की ओर बहना
English Usage: The river began to reflux after the heavy rain.
Hindi Usage: भारी बारिश के बाद नदी पीछे की ओर बहने लगी।
vaapas bahna, wapus behna, vaapas behna, wapus bahna, vaapas bahrna, wapas behna, wapas bahrna