The Spanish word 'título' (meaning 'title') comes directly from the Latin word 'titulus', which meant 'inscription, label, or title'. In ancient Rome, a 'titulus' was originally an inscription or label that would be placed on objects or buildings to identify them. Over time, this meaning evolved to include the concept of a title for written works, official positions, and other designations, which is the primary meaning preserved in modern Spanish.

Some related Spanish words include 'titular' (meaning 'titular' or 'to hold a title'), 'titulado' (meaning 'qualified' or 'having a degree'), and 'titulación' (meaning 'qualification' or 'degree'). All these words share the same Latin root 'titulus' and relate to the concept of official designations or qualifications.

The English word 'title' is a direct cognate of Spanish 'título', as it also derives from Latin 'titulus'. Other related English words include 'titular' and 'entitle'. The similar spelling and meaning between Spanish 'título' and English 'title' makes this an easy word for English speakers to remember. Both languages have preserved the core meaning of an official designation or name from the original Latin term.