D defs.my
Entry 1 sense Webster, 1913

dayspring

/(dā"sprĭng`)/ · day·spring · IPA
01 n. The beginning of the day, or first appearance of light; the dawn; hence, the beginning.
  1. 1.
    The beginning of the day, or first appearance of light; the dawn; hence, the beginning.
    “The tender mercy of our God; whereby the dayspring from on high hath visited us.” — Luke i. 78.