DAYSPRING
dawn, dawning, morning, aurora, first light, daybreak, break of day, break of the day, dayspring, sunrise, sunup, cockcrow
(noun) the first light of day; “we got up before dawn”; “they talked until morning”
Source: WordNet® 3.1
Etymology
Noun
dayspring (plural daysprings)
(archaic) The beginning of the day, or first appearance of light; the dawn; daybreak.
Synonyms
• break of day, daybreak, sunup; see also dawn
Source: Wiktionary
Day"spring, n.
Definition: The beginning of the day, or first appearance of light; the
dawn; hence, the beginning. Milton.
The tender mercy of our God; whereby the dayspring from on high hath
visited us. Luke i. 78.
Source: Webster’s Unabridged Dictionary 1913 Edition