Origin: Latin suffix -tion
Occultation has 2 different meanings across 1 category:
one celestial body obscures another
An astronomical event that occurs when one celestial object is hidden by another celestial object that passes between it and the observer when the nearer object appears larger and completely hides the more distant object.
The word comes from the Latin occultatio, meaning "concealment" or "insinuation." It is derived from the verb occultare, which means "to conceal" or "hide."