吠ほえ出だす

godan verb (-su)

start barking; bark out

Describes a dog or similar animal suddenly beginning to bark or barking loudly. The gloss 'give mouth' is a hunting term for a hound baying; this nuance is rare and domain-specific.

• 夜よ中なかに隣となりの犬いぬが急きゅうに吠ほえ出だした。

  The neighbor's dog suddenly started barking in the middle of the night.

• 猟りょう犬けんが獲え物ものの匂においを嗅かいで吠ほえ出だした。

  The hunting dog caught the scent of prey and gave mouth.