E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898. |
| nth, or nth plus One, | |
in University slang, means to the utmost degree. Thus, Cut to the nth means wholly unnoticed by a friend. The expression is taken from the index of a mathematical formula, where n stands for any number, and n + 1, one more than any number. | 1 |
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