jmdict
2195610
Active
(id:
2153201)
飛ぶ鳥跡を濁さず [とぶとりあとをにごさず] /(exp) (See 跡を濁す・あとをにごす,立つ鳥跡を濁さず) (proverb) it is simply common courtesy to clean up after yourself/a bird does not foul the nest it is about to leave/on leaving a place, one should see that all is in good order/EntL2195610/