The Italian princely surname 'Este' is a four-letter word that has been used by many noble families in Italy. It is derived from the Latin word 'Hister', which means 'STAR'. The Este family was one of the most powerful and influential families in Italy during the Middle Ages, and they ruled over the city of Ferrara for centuries. They were also patrons of the arts and sciences, and their patronage helped to shape the culture of Italy during this period.