The Spanish word 'aurora' meaning 'dawn' comes directly from the Latin word 'aurōra', which meant both 'dawn' and was also the name of the Roman goddess of dawn. This is a case where the word has maintained both its form and meaning remarkably well over time from Latin to modern Spanish.

The word 'aurora' is relatively unique in Spanish and doesn't have many common related words in the language. However, you might encounter it in the term 'aurora boreal' (northern lights) or 'aurora austral' (southern lights).

English speakers might recognize this word easily as it's identical to the English word 'aurora', which also came from Latin. In English, we use it to mean 'dawn' or 'daybreak', just like in Spanish, and it's particularly familiar in the term 'Aurora Borealis' (Northern Lights). The name 'Aurora' is also used in English as a feminine given name, maintaining the connection to the Roman goddess of dawn.