Apotheosis

In theology, apotheosis refers to the idea that an individual has been raised to godlike stature. In art, the term refers to the treatment of any subject (a figure, group, locale, motif, convention or melody) in a particularly grand or exalted manner.

[…]

From at least the Geometric period of the ninth century BC, the long-deceased heroes linked with founding myths of Greek sites were accorded chthonic rites in their heroon, or “hero-temple”.

Source: Apotheosis – Wikipedia