The Spanish word 'diseñador' (meaning 'designer') comes from the verb 'diseñar' ('to design') combined with the agent suffix '-dor' (which indicates the person who performs an action). The verb 'diseñar' itself can be traced back through Italian 'disegnare' to the Latin word 'designare', which meant 'to mark' or 'to draw'. This evolution shows how the meaning stayed closely connected to the concept of creating or marking throughout its development from Latin to modern Spanish.

Some related Spanish words that might be easier to recognize include the verb 'diseñar' (to design), 'diseño' (design), and 'dibujo' (drawing). These words share the common thread of creating or making marks, with 'diseñador' specifically referring to the person who creates the designs.

English speakers might recognize the connection to words like 'design' and 'designate', which share the same Latin root 'designare'. While 'design' maintained a meaning very similar to Spanish 'diseñar', 'designate' developed more towards the sense of marking or pointing something out for a particular purpose.