by 1717, in algebra textbooks, in phrase to the nth, a mathematical term indicating an indefinite number, in which n is an abbreviation for (whole) number (n.). Figurative (non-mathematical) use is by 1852.
to the nth degree
nowhither
no-win
no-wise
noxious
nozzle
nth
nuance
nuanced
nub
nubbin
nubby
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