the word 'withering' originates from the old english noun 'weder,' meaning weather, which itself has proto-germanic roots. the verb 'wither' evolved from the middle english 'wederen,' signifying the damaging effect of harsh weather, particularly wind and cold, upon plants, causing them to dry and shrivel. the addition of the '-ing' suffix, a common present participle form in old english, transforms the action into a descriptive adjective. this etymological journey explains the modern dual sense: the literal meaning pertaining to destructive natural forces, and the figurative extension describing a look or comment so severe it metaphorically shrivels its target with contempt.

Structure: wither (to dry up) + ing (adjective-forming suffix) wither (from middle english wederen, meaning to expose to weather, from old english weder (weather), of germanic origin; functional role: core verb root). ing (from old english -ende, present participle ending, used to form adjectives; functional role: derivational suffix).