Origin of apogee
Word Origin for apogee
"point at which the moon is farthest from the earth," 1590s, from French apogée, from Latin apogaeum, from Greek apogaion, neuter adjective, "away from the earth," a term from Ptolemaic astronomy, from apo "off, away" (see apo-) + gaia/ge "earth" (see Gaia). Adjective forms are apogeal, apogean.
In astronomy, the point during the orbit of a satellite, such as the moon, at which it is farthest from the body being orbited. For planets in the solar system orbiting the sun, their farthest point from the sun is referred to as aphelion.