The English word "ridge" traces its etymological roots back to Old English "rycg," which meant the back of a man or an animal, as well as an elevated strip of land. This old term descends from Proto-Germanic "hrigjaz," meaning back or spine. Over centuries of linguistic evolution through Middle English as "rigge," the meaning expanded from the anatomical spine of a living creature to describe long, raised geographical landforms like hills and mountain chains that resemble animal backbones, eventually extending into architectural roof peaks and mechanical surface ribs.
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