avernal

adjective, sometimes capitalized aver·nal \əˈvərnəl\
variants: or

avernian

\-nēən, -nyən\

Definition of avernal

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Origin and Etymology of avernal

avernal from Latin Avernalis of Avernus, from Avernus, lake near Pozzuoli, Italy (now Lago Averno), reputed because of its depth and stench to lead to the underworld, underworld + Latin -alis -al; avernian from Avernus + English -ian


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