1178270 jmdict A [id=2216511]
遠のく；遠退く
とおのく
[1][v5k,vi]
  to move off (into the distance); to become distant; to recede; to fade away; to die away
[2][v5k,vi]
  to drift away (from a person, activity, etc.); to distance oneself (from); to become less frequent (e.g. of visits); to fall away (e.g. of customers)