Answer:

nereis

Answer	Crossword Clue
NEREIS	Greek sea nymph.
NEREIS	Sea nymph.
NEREIS	Water nymph.

NEREIS	Sea nymph: Lat.
NEREIS	Daughter of a sea god: Lat.
NEREIS	Sea nymph
NEREIS	Clam worm

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.