Hesperian

Etymology
From.

Adjective

 * 1) Of or relating to the land where the sun sets; western
 * 2) Of or relating to the Hesperides nymphs
 * 3) of or relating to the Martian geological period between Noachian and Amazonian
 * 1) of or relating to the Martian geological period between Noachian and Amazonian

Proper noun

 * 1) An inhabitant of the western lands
 * 2) The Hesperian geological time period of Mars
 * 1) The Hesperian geological time period of Mars