Gr. Myth. a river of fire in Hades
Origin of PhlegethonClassical Latin ; from Classical Greek Phlegeth?n, origin, originally present participle of phlegethein, to blaze: for Indo-European base see flagrant
A river of fire, one of the five rivers of Hades.
Origin of PhlegethonMiddle English Flegeton, from Latin Phlegethōn, from Greek, from present participle of phlegethein, to blaze, variant of phlegein; see bhel-1 in Indo-European roots.