An Etymological Dictionary of Astronomy and Astrophysics

The space beyond the orbit of the Moon. Compare to → cislunar.

Etymology (EN): → trans- + → lunar.

Etymology (PE): Ânsumâhi, ânsumângi, from ânsu “the other side,” from ân “that” + su “side” + mâhi, mângi, → lunar; tarâ-, → trans-.