The compound adjective 'wind-scoured' is a modern descriptive term formed from two ancient roots. 'Wind' has a direct lineage from Proto-Germanic, retaining its core meaning of moving air. 'Scour' entered English from a Low German source, carrying the sense of vigorous rubbing or cleaning. The past participle suffix '-ed' is a common Germanic adjectival ending. The term's logic is vividly literal: it describes a state where the natural force of the wind acts as an abrasive agent, incessantly rubbing and polishing rock or earth, much like a scrubbing brush, to leave a smooth, bare, and eroded surface. This combines an elemental force with a domestic action to create a powerful geological metaphor.

Structure: wind (air in motion) + scour (to clean/polish by rubbing) + ed (adjective suffix) - wind: From Old English wind, of Germanic origin; from an Indo-European root shared by Latin ventus. The noun referring to moving air. - scour: From Middle English scouren, likely from Middle Dutch scuren 'to polish, cleanse'. The verb meaning to rub hard to clean or abrade. - ed: A suffix forming adjectives from verbs or nouns, indicating a state or condition.