Aquatic nymph of Greek mythology (5)

I believe the answer is:

naiad

(Other definitions for naiad that I've seen before include "watery spirit" , "River nymph" , "Spring nymph" , "Greek mythological water nymph" , "spirit in water" .)

I've seen this clue in The Times and The Sunday Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.