The Latin word for number us Centum.
Even though the word "number" has no "o" in it, the abbreviation is No. because it is based on the Latin word numero (which is also Spanish for number).
Unus
novem
to as in toward something is "ad" two, as in the number is "duo"
No. is derived from the Latin word numero.
The Latin word for 7 is 'septem' and as a Roman numeral it is VII
In Latin, it is " Unus ". In Greek, it is " Ένα ".
numerus : total, category, class, number(http://www.math.ubc.ca/~cass/frivs/latin/latin-dict-full.html)
The word "one" comes to us from the Latin unus. It is related to the Dutch een and the German ein.
Decem is a Latin equivalent of the English number "ten." The number "10" receives the numerical representation X. The pronunciation will be "DEH-keng" in classical Latin and "DEY-tchem" in Church Latin.
Nonaginta novem