The Spanish word 'sabroso' meaning 'tasty' or 'flavorful' traces back to the Latin verb 'sapere', which interestingly had two meanings: 'to taste' and 'to know'. From this verb came the Latin noun 'sapor' meaning 'taste' or 'flavor'. In Medieval Latin, the adjective 'saporosus' was formed by adding the suffix '-osus' (meaning 'full of') to 'sapor', creating a word meaning 'flavorful'. This Medieval Latin term evolved into the modern Spanish 'sabroso', with the 'p' softening to 'b' and other phonetic changes typical of Spanish's development from Latin.

A simpler and very common related Spanish word is 'saber', meaning 'to know'. While 'sabroso' took on the 'taste' meaning from the Latin root 'sapere', its cousin 'saber' developed from the 'to know' meaning of the same Latin word. Another related word is 'sabor', meaning 'flavor' or 'taste', which comes directly from Latin 'sapor'.

The English words 'sapid' (having flavor) and 'insipid' (flavorless, bland) are related to 'sabroso', as they also come from the Latin 'sapere'. The word 'sage' (wise) is another interesting relative, but it developed from the 'to know' meaning of 'sapere' rather than the 'to taste' meaning. The English word 'savor' is also related, coming from the same Latin root 'sapor' that gave us Spanish 'sabor'.