Πλουτώνιον,τό, any place
A. where there are mephitic vapours,looked upon as entrances to the nether world, Str. 5.4.5 , 13.4.14 ; butΠλουτώνειον,temple of Pluto,
IG 4.203.20 (Corinth):—Πλουτωνίς,ίδος,ἡ,Persephone,Orac. ap. Phleg. Fr. 36.10J. ; alsoΠλουτώνη,ἡ, Orph. Fr. 200 .