Word Study
undine
CIDE DICTIONARY
undine, n. [G. undine, or F. ondin, ondine, from L. unda a wave, water.].
One of a class of fabled female water spirits who might receive a human soul by intermarrying with a mortal. [1913 Webster]
OXFORD DICTIONARY
undine, n. a female water-spirit.
Etymology
mod.L undina (word invented by Paracelsus) f. L unda wave
THESAURUS
undine
Davy, Davy Jones, Neptune, Nereid, Oceanid, Oceanus, Poseidon, Thetis, Triton, elemental, elemental spirit, fresh-water nymph, gnome, kelpie, limniad, man fish, mermaid, merman, naiad, nix, nixie, ocean nymph, salamander, sea nymph, sea-maid, sea-maiden, siren, sylph, water god, water spirit, water spriteFor further exploring for "undine" in Webster Dictionary Online