one-shoulder

The compound adjective "one-shoulder" is a modern English formation, transparently constructed from two native English elements. The numeral "one" traces back to Proto-Germanic ainaz and ultimately to the Proto-Indo-European root oi-no-, meaning "one, single." The noun "shoulder" originates from Proto-Germanic skuldro, of uncertain deeper origin. The compound's logic is purely descriptive, combining the concept of singularity ("one") with a specific anatomical feature ("shoulder") to denote a style of clothing designed to asymmetrically expose a single shoulder. This straightforward descriptive naming reflects a common pattern in fashion terminology, where functional design elements are directly named for their visual characteristics.

Structure: one (numeral) + shoulder (body part) - one: From Old English 'ān', meaning the number one. It functions as a numeral specifying a single unit. - shoulder: From Old English 'sculdor', meaning the part of the body where the arm attaches. It functions as a noun denoting the specific body part referenced.