Past tense of 'tour': to travel around a place visiting different attractions, or to perform in multiple locations as part of a concert or theater production.
From French 'tour,' from Latin 'tornare' (to turn). The word originally meant a journey in a circle, and evolved to mean visiting multiple places for pleasure, business, or performance.
A 'grand tour' was basically the 18th-century version of a gap year—wealthy young men would tour Europe for months or years to complete their education by seeing art, ruins, and culture! Many of the grand monuments in Europe have plaques from famous tourists touring them.
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