Preposition: on

• morning: It was planned for daybreak on the morning of 18th December, and the ship's part of it was then embarked upon.

Converse of object

• come: Come daybreak after all the older chavs have smashed and vomited their way home, the younger breed of chavs venture out.

Modifies a noun

• start: Nick and I wanted a daybreak start, so we got up about half past 4 in the morning and started the stove.