There are various theories regarding the origin of the word, such as the theory that it mimics how a lotus leaf floats on the surface of water, being moved by the wind or current, or that it mimics how morning dew rolls upon the lotus leaf.
語源は諸説さまざまで蓮の葉が風や水面（みなも）の波によりゆらゆらする様や蓮の葉の朝露がころころと転がる様という形態を模してという説。