δράκων

Greek drákōn derives from dérkomai (to see, to gaze sharply). A dragon was the creature with terrifying vision — the guardian that never sleeps, the watcher that sees everything. The fire-breathing aspect came later. In Greek mythology, the drákōn that guarded the Golden Fleece never slept; the one in the Garden of the Hesperides watched the golden apples with eyes that never closed. Ladon, the hundred-headed dragon killed by Heracles, was a sentinel, not a predator. The oldest dragons were eyes, not mouths.

Chinese dragons (lóng) are fundamentally different creatures from European ones. They are benevolent, associated with water, rain, and imperial power, and they do not have wings. The Chinese dragon is a river god, a bringer of rain, and a symbol of the emperor. The European dragon is a hoarder, a burner, and a challenge for heroes. The two creatures share a name in English translation but share almost nothing in symbolism. When Marco Polo described Chinese dragons to European audiences, the translation created a false equivalence that persists.

J.R.R. Tolkien's Smaug (The Hobbit, 1937) established the modern Western dragon archetype: intelligent, vain, sitting on a hoard of gold, capable of speech, and vulnerable in one specific spot. Tolkien, who was a philologist before he was a novelist, knew the Old English dragon poems — particularly Beowulf, which ends with the hero dying while killing a dragon. Smaug is Beowulf's dragon with a personality. Tolkien gave the nameless hoarder a name and a psychology.

The dragon appears in the mythology of cultures that had no contact with each other: China, Mesoamerica, Australia, Scandinavia, the Middle East. The universality of the dragon myth has been explained variously as inherited fear of predators (snakes, large cats, raptors — the dragon combines all three), misinterpretation of dinosaur fossils, or collective symbolic response to the natural disasters (fire, flood, predation) that threaten agricultural societies. None of these theories fully accounts for the dragon's ubiquity. The creature is too widespread to be a coincidence and too varied to be a single tradition.