setting moon; moon setting in the West
Literary or poetic term for the moon as it sinks below the western horizon. Not an everyday word; more common in classical or descriptive writing.
The light of the setting moon streamed in through the window.
feeling of helpless isolation; desolation of a fallen person
Compound of 落 (raku, 'to fall, set') and 月 (getsu, 'moon'). The exact historical derivation is uncertain, but the kanji combination directly conveys the image of the moon descending.