nine
UK[naɪn]US[naɪn]
cardinal number
The number equivalent to the product of three and three; one more than eight, or one less than ten; 9.
Etymology
The word "nine" originates from the Old English "nigon," which evolved from the Proto-Germanic "newun." This Germanic root can be traced further back to the Proto-Indo-European (PIE) "h₁néwn̥," the ancient source for the numeral across many Indo-European languages, such as Latin "novem" and Greek "ennea." The consistent representation of this specific quantity across millennia demonstrates the stability of core numerical vocabulary. Its modern form, "nine," is the result of regular sound changes from its Germanic ancestor, simplifying into the monosyllabic word used today.
Analysis
The word "nine" is a simplex word derived from a single, indivisible root.
Examples
She has nine cats living in her apartment.
The committee is composed of nine members.
He scored nine points in the final quarter of the game.