There seem to be several:
The ancient Greek word for night is "νύξ" (pronounced "nyx"). In Greek mythology, Nyx was also the personification of night, often depicted as a powerful and mysterious figure. The term has influenced various aspects of literature and language throughout history.
nyxta pronounced as : nihta
It means the stars. The night sky in general.
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Nothing. Midnight is an English word meaning "the middle of the night."
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The word "evening" in Greek is "απόγευμα" (pronounced apógevma). It refers to the time of day between late afternoon and night. In more informal contexts, people might also use "βράδυ" (vrády) to refer to the evening or night.
The Greek goddess of the night is Nyx.
πλανήτης [planeetees] > planet
Silent Night Greek Lyrics
"Constellation" is a Greek word, and constellations were first discovered by the Greeks, believed to be a greek called 'Homer'. I think constellations is the name given to them by the Greek, so therefore 'constellation' in Greek is 'constellation'.