Averni

Averni is a Latin form of Avernus, meaning “Without birds; absol”. It is the genitive singular masculine adjective.

Found 27 times in the Latin texts on Socratos.

Where it is used

Cicero, Tusculanae Disputationes 1.37: … am figuramque quaerebant. inde Homeri tota , inde ea quae meus amicus Appius faciebat, inde in vicinia nostra Averni lacus, únde animae excitántur obscura úmbra opertae, imágines mórtuorum, alto óstio Acherúntis, salso sánguin …

Livy, Ab urbe condita 24.12.4: inde Numidis Hispanisque ad praesidium simul castrorum simul Capuae relictis cum cetero exercitu ad lacum Auerni per speciem sacrificandi, re ipsa ut temptaret Puteolos quodque ibi praesidii erat, descendit.

All forms of Avernus (declension table)

Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.