ChatterBank13 mins ago
Umpteenth
7 Answers
Where does this expression come from?
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For more on marking an answer as the "Best Answer", please visit our FAQ.'Umpty' first appeared as military slang 100 years ago, meaning an indefinite - but large - number. It was used particularly in the Royal Navy in much the same way as 'x' is used in mathematics to represent an unknown quantity. 'Umpteenth' came to be a sort of adjectival form of the word, with obvious connections with thirteenth, fourteenth etc.