costumed

The word 'costumed' is a relatively modern English formation. Its core, 'costume', entered English in the 18th century from French and Italian, where it originally referred to fashion or custom. This traces back to the Latin 'consuetudo', meaning custom or habit, derived from 'consuescere' (to accustom). The semantic shift from "customary practice" to "a particular set of clothes" reflects how clothing styles are often dictated by custom, period, or role. The suffix '-ed', of Germanic origin, is then appended to create an adjective meaning "furnished with or wearing a costume," a straightforward grammatical process in English for indicating possession of a quality.

Structure: costume (attire) + ed (adjective suffix) - costume: From Italian 'costume', via French, from Latin 'consuetudo' (custom, habit). In this word, it functions as the base noun meaning a distinctive set of clothes. - ed: A suffix of Old English origin, used to form adjectives from nouns, meaning "having, provided with, characterized by".