the world > matter > properties of materials > lightness > make light or lighter [verb (transitive)] > relieve of a weight or load (3)
transitive. To relieve (a person or thing) of or †from a burden, or something regarded as a burden; to reduce or remove a burden from (something).
transitive. To lighten or alleviate (something regarded as a burden); to relieve of. rare.
transitive. Chiefly in passive and with of. To deprive or dispossess (a person or thing) of goods, possessions, etc. Obsolete.