The name Masi possesses multiple distinct cultural origins and independent etymological roots across the world. In Arabic and Persian contexts, it carries connotations of joy, happiness, or being anointed. In Finnish and Nordic traditions, it serves as a diminutive form of names like Matthew or Thomas, while in various Southern African Bantu languages, it appears as a shortened form of names signifying abundance or milk. Additionally, it functions as an Italian patronymic surname derived from Tommaso.