
English word solace comes from Proto-Indo-European *sōlh₂-, Latin solor, and later Old French solas (Joy; pleasure; enjoyment.)
*sōlh₂- (Proto-Indo-European)
solor (Latin)
I comfort, console, solace. I soothe, ease, lighten, lessen, relieve, assuage, mitigate.
solacium (Latin)
(legal) compensation, indemnification. Comfort, relief, solace. Soothing, assuaging.
solas (Old French)
Joy; pleasure; enjoyment.
solace (English)
(intransitive) To take comfort; to be cheered.. To allay or assuage.. To give solace to; comfort; cheer; console. A source of comfort or consolation.. Comfort or consolation in a time of loneliness or distress.