nth
UK[ɛnθ]US[ɛnθ]
adj
Denoting an unspecified or very large ordinal number in a sequence.
n
An unspecified or very large ordinal number or item in a series.
Morpheme Breakdown
n
th
n
letter
th
ordinal suffix
Etymology
The word 'nth' is a modern mathematical and general-purpose abstraction formed within English. It combines the algebraic convention of using the letter 'n' to represent an indefinite integer with the standard English ordinal suffix '-th'. This construction follows the pattern of established ordinal numbers like 'fourth' or 'tenth', but replaces the specific numeral with the variable 'n'. The logic is purely algebraic and linguistic, creating a term that elegantly signifies "to the utmost degree" or "the latest in a very long series" by implying an operation (taking the ordinal) applied to an arbitrarily large, unspecified number.
Analysis
Structure: n (letter) + th (ordinal suffix)
- n: The English letter 'n', used here as a variable representing an indefinite number. Its origin is the Phoenician letter 'nun', via Greek 'nu' and Latin 'N'.
- th: A suffix forming ordinal numbers (e.g., fourth, tenth). It originates from the Old English '-þa', '-þe', '-oþ', derived from the Proto-Germanic superlative suffix '-istaz' and the ordinal suffix '-to-'.
Examples
This is the nth time I've reminded you to lock the door.
He analyzed the data to the nth degree, leaving no detail unexamined.
We've had this argument for the nth time, and I'm tired of it.