dào​guàn

to flow backward

倒灌 dào​guàn
to flow backward
to flow backward, such as water flowing from a lower to a higher level due to tides or floods, smoke blowing back down a chimney, or sewage backing up; (figuratively) to flow in the reverse of the normal direction (e.g. of capital or talent)

Frequency

Movie subtitles
0.090 per million appears in 0% of films
Written text
0.430 per million

Sources