In a manner that gradually disappears or loses strength; in a fading way.
Constructed from 'fade' (from Old French 'fader,' Latin 'vapidus') plus '-ing' and '-ly' suffixes to create an adverb describing the manner of fading.
Adverbs ending in '-ingly' are rare in English, making 'fadingly' a beautifully poetic word choice for describing how light vanishes at sunset or memories grow dim.
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