Egeria (mythology)
legendary wife of Roman king Numa and minor goddess

Egeria (Latin: [eːˈgɛria]; Ancient Greek: Ἠγερία) was a nymph attributed a legendary role in the early history of Rome as a divine consort and counselor of Numa Pompilius, the second king of Rome (r. 715 – 672 BC), to whom she imparted laws and rituals pertaining to ancient Roman religion. Her name has become an eponym for a female advisor or counselor.
Origin and etymology
Egeria may predate Roman myth: she could have been of Italic origin in the sacred forest of Aricia in Latium, her immemorial site, which was equally the grove of Diana Nemorensis ("Diana of Nemi"). At Aricia there was also a Manius Egerius, a male counterpart of Egeria.
The name Egeria has been diversely interpreted. Georges Dumézil proposed it came from ē-gerere ("bear out"), suggesting an origin from her childbirth role. Her role as prophetess and author of "sacred books" is similar to the Etruscan Vegoia, to whom were attributed various books of prophecy, including the "Libri Fulgurales", which were used to interpret the will of the gods through lightning strikes.
Function
Egeria as a nymph or minor goddess of the Roman religious system is of unclear origin; she is consistently, though not in a very clear way, associated with another figure of the Diana type; their cult is known to have been celebrated at sacred groves, such as the site of Nemi at Aricia, and another one close to Rome (see section below); both goddesses are also associated with water bearing wondrous, religious or medical properties (the source in that grove at Rome was dedicated to the exclusive use of the Vestals); their cult was associated with other, male figures of even more obscure meaning, such as one named Virbius, or a Manius Egerius, presumably a youthful male, that anyway in later years was identified with figures like Atys or Hippolyte, because of the Diana reference (see Frazer).
Described sometime as a "mountain nymph" (Plutarch), she is usually regarded as a water nymph and somehow her cult also involved some link with childbirth, like the Greek goddess Ilithyia, but most of all, Egeria gave wisdom and prophecy in return for libations of water or milk at her sacred groves. This quality has been made especially popular through the tale of her relationship with Numa Pompilius (the second legendary king of Rome, who succeeded its founder Romulus).
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The entry’s evidential value lies in the named roles, institutions and publications that can be tested against primary documentation. The source revision retrieved here is dated Aug 12, 2026. The linked authority identifier is Q582268. VIAF identifies the subject as 54949927. 1 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank.
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