Day-star at English => English (Websters 1913) Of Explained:
Day-star \Day"-star`\ (-st[aum]r`), n.
1. The morning star; the star which ushers in the day.
A dark place, until the day dawn, and the day-star
arise in your hearts. --2 Peter i.
2. The sun, as the orb of day. [Poetic]
So sinks the day-star in the ocean bed, And yet anon
repairs his drooping head, And tricks his beams, and
with new-spangled ore Flames in the forehead of the
morning sky. --Milton.