Origin of nineMiddle English nyen from Old English nigon, akin to German neun from Indo-European an unverified form enewen (from source Classical Greek ennea, Classical Latin novem, nine), probably extension of base an unverified form newo-, new, indicating a new division of the numeral system commencing with 9
- the cardinal number between eight and ten; 9; IX
- any group of nine persons or things; esp., a baseball team
- something numbered nine or having nine units, as a playing card, throw of dice, etc.
to the nines
- to perfection
- in the most elaborate or showy manner: dressed to the nines