noun
Refers to the time when the morning sky begins to lighten; a somewhat literary or poetic term.
朝明けの空が美しい。
The dawn sky is beautiful.
朝明けとともに鳥が鳴き始めた。
The birds began to sing with the daybreak.
夜明け is the common word for dawn/daybreak. 朝明け is more literary and less frequently used.
Compound of 朝 (asa, 'morning') and 明け (ake, 'dawning'). The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning.