/ ˈerənd; NAmE / noun
a job that you do for sb that involves going somewhere to take a message, to buy sth, deliver goods, etc. :
He often runs errands for his grandmother.
Her boss sent her on an errand into town.
—see also fool's errand
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WORD ORIGIN
Old English ǣrende message, mission , of Germanic origin; related to Old High German ārunti , and obscurely to Swedish ärende and Danish ærinde .