Strong’s Greek
G2696 — katasphragizo
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
κατασφραγίζω
katasphragizo — pronounced kat-as-frag-id'-zo
from 2596 and 4972; to seal closely:--seal. see GREEK for 2596 see GREEK for 4972
1 occurrence in the KJV.
Revelation 5:1
And I saw in the right hand of him that sat on the throne a book written within and on the backside, sealed with seven seals.