expression
morning dew
Archaic phrase for morning dew, often used poetically or in classical contexts. The reading あしたのつゆ is old-fashioned; modern Japanese would typically use 朝露 (あさつゆ).
See also: 朝露
古典和歌では「朝の露」がはかないものの象徴として詠まれる。
In classical waka poetry, 'morning dew' is composed as a symbol of transience.