明あけ渡わたる

godan verb (-ru), intransitive verb

become daylight; dawn breaks

Describes the sky gradually becoming light at dawn. Often used in literary or descriptive contexts.

• 東ひがしの空そらが明あけ渡わたるころ、鳥とりたちがさえずり始はじめた。

  As the eastern sky became light, the birds began to sing.

• 夜よが明あけ渡わたると、山やまの稜りょう線せんがくっきりと見みえた。

  When dawn broke, the mountain ridge was clearly visible.