misaccumulation

Etymology tree Proto-Indo-European *mey-? Proto-Indo-European *meyth₂-der. Proto-Germanic *missaz Proto-Germanic *missa- Proto-West Germanic *missa- Old English mis- Middle English mys- English mis- Proto-Indo-European *h₂éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Proto-Indo-European *ḱewh₁- Proto-Indo-European *ḱuh₁mósder.? Latin cumulus Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Italic *-āō Latin -ō Latin cumulō Latin accumulō Proto-Indo-European *-tisder. Proto-Italic *-tjō Latin -tiō Latin accumulātiōder. Middle French accumulationbor. ▲ Latin accumulātiōbor. Middle English acumulacyon English accumulation English misaccumulation From mis- + accumulation.

来源：wiktionary