What does "earthset" mean?

The event of the Earth setting under the horizon of another planet, typically the Moon (typically due to the observer being in motion over the surface of the Moon: see usage notes at earthrise).

What is a synonym for "earthset"?

Common synonyms include: earthdown.

Earthset

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
The event of the Earth setting under the horizon of another planet, typically the Moon (typically due to the observer being in motion over the surface of the Moon: see usage notes at earthrise).
"For quotations using this term, see Citations:earthset."