alleviation (n.)

early 15c., "mitigation, relief," from Medieval Latin alleviationem (nominative alleviatio), noun of action from past participle stem of alleviare "lift up, raise," figuratively "to lighten (a burden), comfort, console," from assimilated form of Latin ad "to" (see ad-) + levis "light" in weight (from PIE root *legwh- "not heavy, having little weight").

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