hydra (n.)
name of the many-headed Lernaean water serpent slain by Herakles in Greek mythology, late 14c., idre, from Greek Hydra, fem. of hydros "water-snake," from hydor "water" (from suffixed form of PIE root *wed- (1) "water; wet").
The word is etymologically related to Sanskrit udrah "aquatic animal" and Old English ottur (see otter). Used figuratively for "any multiplicity of evils" [Johnson]. The fabulous beast's heads were said to grown back double when cut off. As a constellation (see Hydrus), usually identified as the monster Herakles slew, from mid-15c. As the genus name of a freshwater polyp from 1798; said to have been so called by Linnaeus for its regenerative capabilities.
updated on November 19, 2019
Dictionary entries near hydra
hybrid
hybridity
hybridization
hybridize
hybris
hydra
hydrangea
hydrant
hydrargyrum
hydrate
hydration
