adjective, sometimes capitalized
aver·​nal | \ əˈvərnᵊl\
variants: or avernian \ -​nēən , -​nyən \

Definition of avernal

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History and Etymology for 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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showing courage and determination

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