Which Latin word is commonly used for the digit 9?

Solution:

We will use IUPAC nomenclature for digit 9

Let's write the Latin word for digit 9.

Based on the IUPAC nomenclature, the digit 9 is Latin is called 'enn' and is abbreviated as 'e'.

Thus, Latin word "enn" is commonly used for digit 9.

Which Latin word is commonly used for the digit 9?

Summary:

Latin word "enn" is commonly used for digit 9 and is abbreviated as "e"