The Spanish word 'mayo' (meaning 'May') comes from the Latin word 'maius', which was the name for the month of May. Interestingly, 'maius' itself is derived from the Latin word 'magnus', meaning 'great'. This connection to 'great' likely stems from May being a time of growth and abundance in nature, when plants reach their full potential.

A common Spanish word that shares this Latin root is 'mayor', meaning 'bigger' or 'greater', which comes directly from Latin 'maior' (a variant of 'magnus'). You can see how both 'mayo' and 'mayor' trace back to the concept of greatness in Latin.

Several English words share this Latin ancestry. The most obvious is 'May' itself, which comes from the same Latin 'maius'. The English words 'magnitude', 'magnificent', and 'magnify' all come from the Latin 'magnus' meaning 'great'. The word 'major' is also related, coming from the comparative form of 'magnus'.