nona

nine

Spelled nona · novem, nonus 'nine, ninth'

Latin novem meant nine: a nonagon has nine angles, a nonet has nine performers, and a nonagenarian is in their nineties.

Words built from it

nonagon — a nine-sided polygon
nona (nine) + gon (angle)
nonagenarian — a person in their nineties
nona- (nine, as ninety) + genarian (years of age)
nonagonal — having nine sides or angles
nona (nine) + gon (angle) + -al (relating to)
noon — midday; twelve o'clock in the daytime
Latin nona (ninth) + hora (hour) → Old English nōn (ninth-hour prayer) → noon