The Spanish word 'palatino' comes from the Latin word 'palatinus', which meant 'relating to the palate'. This Latin word was formed by combining 'palatum' (meaning 'palate') with the suffix '-inus' (meaning 'belonging to' or 'relating to'). The word maintained its anatomical meaning as it evolved from Latin to Spanish, where it refers to things that are palatal or palatine (relating to the palate or roof of the mouth).

A related and simpler Spanish word is 'paladar', which directly means 'palate' or 'roof of the mouth'. Both 'palatino' and 'paladar' share their connection to the Latin root 'palatum'.

English speakers might recognize the connection to several anatomical terms like 'palate', 'palatal', and 'palatine', all of which share the same Latin ancestor 'palatum'. The English word 'palace' is also distantly related, as it comes from Palatine Hill in Rome (Palatinus Mons in Latin), though this connection is more historical than anatomical.