Answer: deimos

AnswerCrossword Clue
DEIMOSMartian moon
DEIMOSMars moon
DEIMOSCompanion of Phobos
DEIMOSMoon of Mars
DEIMOSOuter moon of Mars
DEIMOSGreek personfication of dread
DEIMOSOne of the moons of Mars
DEIMOSSon of Ares and Aphrodite
DEIMOSThe outer satellite of Mars.
DEIMOSSatellite of Mars.
DEIMOSMoon named after the Greek personification of terror
DEIMOSMars's outer moon
DEIMOSMARS