1) Ancient Greek religion 2) Greek underworld
Found on
https://www.crosswordclues.com/clue/ploutonion
A ploutonionPronunciation-needed (Πλουτώνιον, lit. `Place of Pluto`) or plutonium (from the Latin) is a sanctuary specially dedicated to the ancient Greek and Roman god Pluto. Only a few such shrines are known from classical sources, usually at locations that produce poisonous emissions and were considered to represent an entrance to t.....
Found on
http://en.wikipedia.org/wiki/Ploutonion
No exact match found.
