용동은 마을 뒷산이 풍수에서의 '방아공이' 설이라 하고, 마을 근처에 방앗간이 있어 '방앗재'라고도 한다.
In Yongdong, the mountain behind the village is said to be the "Bang-a-gong-i" in feng shui, and it is also called "Bang-at-jae" because there is a mill near the village.