wizen (v.)

Old English wisnian, weosnian "to wither, dry up, waste away," from Proto-Germanic *wisnon (source also of Old Norse visna "to wither," Old High German wesanen "to dry up, shrivel, wither;" German verwesen "to decay, rot"). Related: Wizened.

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Definitions of wizen from WordNet

wizen (adj.)
lean and wrinkled by shrinkage as from age or illness; "a lanky scarecrow of a man with withered face and lantern jaws"-W.F.Starkie;
a wizened little man with frizzy grey hair
Synonyms: shriveled / shrivelled / shrunken / withered / wizened