Quini / Quintin / Quintus / Quinn

Quini is a diminutive form, likely derived from names like Quintin or Quintus, which trace their roots back to the Roman cognomen Quintus. The name Quintus literally means 'fifth' in Latin, and was traditionally given to the fifth-born child in a family. While Quintus was a common praenomen (given name) in ancient Rome, its diminutive forms like Quini are less common and often emerge as affectionate nicknames.

The use of diminutives is a common linguistic practice across many cultures, serving to create a more intimate or familiar version of a name. Quini, therefore, carries a historical echo of Roman naming conventions, even if its modern usage is more informal and less tied to birth order.