Nymph (noun)
nimf
A mythological spirit of nature imagined as a beautiful maiden inhabiting rivers, woods, or other locations.
(literary) A beautiful young woman.
Late Middle English from Old French nimphe, from Latin nympha, from Greek numphē ‘nymph, bride’; related to Latin nubere ‘be the wife of’.
Example sentences
“She imagined nymphs dancing across the pebbles in the stream.”