Sep

The name Sep is a short form derived from the month name September. The word 'September' itself comes from the Latin word 'septem', meaning 'seven'. This is because in the ancient Roman calendar, September was the seventh month of the year, before January and February were added. As a given name, Sep is quite rare and typically used as a diminutive or nickname rather than a formal full name.

Its usage as a personal name is likely a modern development, often chosen for its connection to the month, perhaps for a child born in September. It shares a similar pattern with other month-derived names, though it is less common than names like April or June. The brevity and distinct sound of Sep give it a contemporary and somewhat informal feel.