Consolation
late Middle English: via Old French from Latin consolatio(n- ), from the verb consolari (see console1).
wiktionary
From Old French consolacion (French consolation), from Latin cōnsōlātiō, from the deponent verb cōnsōlor (“I console, encourage”) with the -tiō suffix, while cōnsōlor comprises the intensifying prefix con- with the deponent verb sōlor (“I comfort, console”). Doublet of consolatio.
etymonline
consolation (n.)
late 14c., "that which consoles;" c. 1400, "act of consoling, alleviation of misery or distress of mind, mitigation of grief or anxiety," from Old French consolacion "solace, comfort; delight, pleasure" (11c., Modern French consolation), from Latin consolationem (nominative consolatio) "a consoling, comfort," noun of action from past-participle stem of consolari "offer solace, encourage, comfort, cheer," from assimilated form of com-, here perhaps an intensive prefix (see com-), + solari "to comfort" (see solace (n.)). The non-champion's consolation prize is recorded by 1853.