| Origin | Month | Origin |
| Rome's most famous general who was killed on the Ides of March | |
| The Latin number 'ten' | |
| Rome's first emperor | |
| The Latin number 'seven' | |
| The Roman god of beginnings and endings | |
| The Latin number 'nine' | |
| The Roman festival of purification | |
| The Latin number 'eight' | |
| The Roman god of war | |
| (probably) The Roman goddess of marriage and childbirth; married to Jupiter | |
| (probably) From the Latin verb 'to open,' as in the 'opening of spring' | |
| A Greek spring goddess | |