Past tense of route, meaning directed along a particular path or course, or defeated decisively and forced to retreat in disorder. Can refer to both navigation and military defeat.
From Old French 'rute' meaning 'road' or 'way', ultimately from Latin 'rupta' meaning 'broken way'. The military sense of decisive defeat developed from the idea of breaking an army's formation and forcing them to flee along broken paths.
The dual meaning of 'routed' - both guiding something along a path and completely defeating an enemy - creates interesting wordplay possibilities. It's linguistically fascinating how the same root gave us both the methodical process of network routing and the chaos of military rout, representing order and disorder from the same etymological source.
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