Tonin

Tonin is a diminutive form of the Spanish name Antonio, which itself is the Spanish and Portuguese form of Antonius. The Roman family name Antonius is of uncertain etymology, but a popular folk etymology connects it to the Greek word 'anthos' meaning 'flower', or 'anti' meaning 'in front of' or 'worthy of praise'. However, a more widely accepted theory suggests it is of Etruscan origin, meaning 'priceless' or 'inestimable'.

The name Antonio has been widely used throughout history, particularly in Catholic countries, due to the veneration of Saint Anthony of Padua. As a diminutive, Tonin would have emerged as a familiar or affectionate short form within Spanish-speaking communities, reflecting a common practice of creating shorter versions of longer, more formal names.