"ease, alleviation," early 14c., from Anglo-Fr. relif, from O.Fr. relief "assistance," lit. "a raising, that which is lifted," from stressed stem of relever (see relieve). Meaning "aid to impoverished persons" is attested from c.1400; that of "deliverance of a besieged town" is from 1540s.
"projection of figure or design from a flat surface," 1606, from It. rilievo, from rilevare "to raise," from L. relevare "to raise, lighten" (see relieve).