Revelation of Jesus Christ
From the KJV 1611 with Strong's Concordance
H7218
רֹאשׁ
ro'sh
{roshe}
From an unused root apparently meaning to shake; the head (as most easily shaken), whether literally or figuratively (in many applications, of place, time, rank, etc.).
NOTE: Used widely throughout the Old Testament (below are the usages from Daniel only).
head
Daniel 1:10.