A loving spirit in enfolding love is wearing (7)

I believe the answer is:

erosion

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'is wearing' is the definition.
(I've seen this before)

I cannot understand how the remainder of the clue works.

(Other definitions for erosion that I've seen before include "dying away" , "The gradual wearing away by weather" , "Disintegration" , "Process of wearing away, by water or time" , "The wearing away as by wind or water" .)

I've seen this clue in The Irish News.

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