Answer:

ennea

Answer	Crossword Clue
ENNEA	Nine (prefix)
ENNEA	"Nine" comb. form
ENNEA	Prefix meaning "nine"

ENNEA	Nine: pref.
ENNEA	Nine: Prefix
ENNEA	Octa- plus one
ENNEA	Prefix meaning nine
ENNEA	Between octa and deca
ENNEA	Nine: Pref.
ENNEA	Numerical word form
ENNEA	Nine: Greek.

ENNEA	Nine: Comb. form.
ENNEA	Nine: Prefix.
ENNEA	Nine, from the Greek.
ENNEA	Numerical prefix.
ENNEA	Nine: Comb. form
ENNEA	Combiner meaning "nine"
ENNEA	Octo plus one
ENNEA	Nine, in combinations

ENNEA	Nine to Sophocles
ENNEA	One of the hedrons
ENNEA	Platonic nine
ENNEA	Nine to Socrates
ENNEA	Numerical prefix
ENNEA	Tri- tripled

Crossword

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