Hadean
adj/heɪˈdiːən/ · /ˈheɪ.diːən/
Etymology From Hades + -an, from Ancient Greek ᾍδης (Hāídēs). By surface analysis, had- + -e- + -an.
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Pertaining to Hades or hell.
- No Ceres weeps at the Hadean gate!1902, Frederic Crowninshield, A Painter's Moods, page 49: