Strong’s Greek
G3720 — orthrinos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ὀρθρινός
orthrinos — pronounced or-thrin-os'
from 3722; relating to the dawn, i.e. matutinal (as an epithet of Venus, especially brilliant in the early day):--morning. see GREEK for 3722
1 occurrence in the KJV.
Revelation 22:16
I Jesus have sent mine angel to testify unto you these things in the churches. I am the root and the offspring of David, and the bright and morning star.