Late 17th century; earliest use found in John Pordage (bap. 1607, d. 1681), religious leader and physician. From all + power, after post-classical Latin omnipotentiaomnipotence.
Definition of all-power in US English:
all-power
nounˌɔːlˈpaʊə
Omnipotence. Usually as an attribute of God.
Origin
Late 17th century; earliest use found in John Pordage (bap. 1607, d. 1681), religious leader and physician. From all + power, after post-classical Latin omnipotentia omnipotence.