φωσφόρος G5459
phōsphóros · foce-for'-os · Adjective
from φῶς and φέρω; light-bearing ("phosphorus"), i.e. (specially), the morning-star (figuratively):--day star.
1 Occurrence in the King James Bible
2 Peter 1:19We have also a more sure word of prophecy; whereunto ye do well that ye take heed, as unto a light that shineth in a dark place, until the day dawn, and the day star arise in your hearts: