Stygia

Stygia is a Latin form of Stygius, meaning “Stygian, of the Styx; of the underworld”. It is the nominative plural neuter adjective or vocative plural neuter adjective or accusative plural neuter adjective or ablative singular feminine adjective.

Found 34 times in the Latin texts on Socratos.

Where it is used

Vergil, Georgics 4.506: Illa quidem Stygia nabat iam frigida cumba.

All forms of Stygius (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.