The term 'wadded-up' is a modern English compound adjective. Its core, 'wad', has a Germanic lineage, tracing back to a root meaning 'to go' or 'press forward', which semantically shifted to denote a compressed mass, likely from the action of pressing material together. The addition of the participial '-ed' suffix transforms it into a descriptor of state. The particle 'up' is appended, a common feature in phrasal verbs and their adjectival forms, to emphasize the completeness of the action—the material has been fully compressed or crumpled into its final, bundled form. Thus, the word vividly describes an object that has undergone the process of being made into a tight, lumpy bundle.

Structure: wad (lump) + -ed (adjective suffix) + up (completive particle) - wad: From Middle English wadden, related to Old English wadan (to go, advance, penetrate). In this context, it evolved to mean a bundle or lump, likely influenced by the idea of something pressed or thrust together. - -ed: A Germanic suffix used to form adjectives from nouns or verbs, indicating possession of a quality or state. - up: From Old English up, upp, an adverb and preposition used here as a completive particle, intensifying the action to a state of completion or finality.