#underworld
- Aeacus — Mythological king of the island of Aegina, son of Zeus and the nymph Aegina, celebrated throughout the ancient world for his piety, wisdom, and profound sense of justice. Due to his incorruptible fairness during his earthly life, after his death he was appointed by the gods as one of the three judges of the dead in the Underworld, alongside Minos and Rhadamanthus.
- Acheron — A river in the Epirus region of northwestern Greece, famous in Greco-Roman mythology as one of the five rivers of the underworld (Hades). Known as the 'River of Woe' or sorrow, its dark waters were believed to be where Charon ferried the souls of the deceased to the realm of shades, with its name often used as a poetic metaphor for death, perdition, or hell.
- Acheron — An old literary, archaic, or neologistic form, derived via Italian or French, used to designate the mythological river Acheron of the Underworld; a personification of the subterranean world or hell in classical and romantic poetry. This mythological toponym suggests the realm of shades and eternal suffering, used to create a somber and solemn atmosphere.
- Amphimedon — A character in Greek mythology and Homer's epic poem the 'Odyssey', son of Melaneus and one of the suitors of Penelope in Ithaca. He was slain by Telemachus during Odysseus's slaughter of the suitors; in Book 24 of the epic, his shade in the underworld relates the story of Odysseus's return and revenge to the ghost of Agamemnon, confirming the triumph of marital fidelity.
- Water of Saturday — A mythical river of an eschatological and pre-Christian nature present in Romanian folklore and folk beliefs, considered the spiritual boundary that encircles the Earth seven times and connects the world of the living with the Other World (Hell or the Paradise of the Blajini). According to superstitions, this watercourse originates beneath the roots of the World Tree and flows directly into the Abyss of the Earth, characterized by boiling or tumultuous waters impossible for the living to cross.
- Asphodel — A perennial herbaceous plant of the lily family, genus Asphodelus, with long, narrow leaves, tuberous roots, and white or yellow flowers arranged in large clusters, native to the Mediterranean region. In ancient Greek mythology, this botanical element is closely linked to the underworld, describing the vast meadows in Hades where the souls of the deceased wandered in a state of eternal peace.