Revelation of Jesus Christ
From the KJV 1611 with Strong's Concordance
G1722
ἐν
en
{en}
A primary preposition denoting (fixed) position (in place, time or state), and (by implication) instrumentality (medially or constructively), that is, a relation of rest (intermediate between G1519 and G1537); 'in', at, (up-) on, by, etc.
NOTE: Used widely throughout the New Testament.