"Sahih" is an Arabic term meaning "authentic" or "sound." In the context of Islamic literature, it refers to collections of Hadith, which are the sayings and actions of the Prophet Muhammad. Sahih Hadith are considered reliable sources of guidance for Muslims, as they are believed to accurately reflect the teachings of Islam. The most recognized collections of Sahih Hadith are Sahih al-Bukhari and Sahih Muslim. These compilations are highly regarded among scholars and are often used to support Islamic law and ethics. The classification of Hadith into categories like Sahih helps ensure that followers of Islam can distinguish between authentic teachings and those that may be fabricated or weak.