An example of in art is the Good Shepherd, a Christian symbol that was based on pagan images of Apollo, Hermes, Orpheus, or the personification of philanthropy.

syncretism

Explanation: syncretism may be explained as the combination or synergy of two or more different opinion or belief. Syncretism is usually associated with religious or mythological combination of association whereby different or distinct religious or faith-based groups come together in other to make an inclusive association or partnership. It is usually embarked upon to foster peace and strengthen the group.

Syncretism is observed in the the ancient Christian art, the good shepherd which was originally used as a pagan symbol based on or adopted by Apollo, kriophoros, hermes or symbolizes philanthropy was later modified and adopted by the Christians.