There seem to be several:
nyxta pronounced as : nihta
It means the stars. The night sky in general.
Nothing. Midnight is an English word meaning "the middle of the night."
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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'.
The word "planet" comes from the Greek word "planētēs," which means "wanderer." This term was used because the planets in our solar system appear to move across the night sky in relation to the fixed stars.
The Greek word for experience is εμπειρία (empeiría).