Singh (IPA: ˈsɪŋ) is a title, middle name or surname that means "lion" in various South Asian and Southeast Asian communities. Traditionally used by the Hindu Kshatriya community, it was later mandated in the late 17th century by Guru Gobind Singh (born Gobind Das) for all male Sikhs as well, in part as a rejection of caste-based prejudice and to emulate Rajput naming conventions. As a surname or a middle name, it is now found throughout the world across communities and religious groups, becoming more of a generic, caste neutral, decorative name. The word "Singh" is derived from the Sanskrit word सिंह (IAST: siṃha) meaning "lion", and is used in the sense "hero" or "eminent person". Several variants of the word are found in other languages: In Urdu, it is written as with the same pronunciation as Hindi. Variations include Simha and Sinha in Bihar. Originally, the Sanskrit word for lion, variously transliterated as Simha or Singh was used as a title by Kshatriya warriors in northern parts of India. The earliest recorded examples of the names ending with "Simha" are the names of the two sons of the Western Satraps ruler Rudraraman in the second century CE. Jayasimha, the first ruler of the Chalukya dynasty to bear the title Simha, ruled around 500 CE. The Vengi branch of the Chalukyas continued using Simha as the last name till the eleventh century. The Rajputs started using Singh in preference to the classical epithet of "Varman". Among the Rajputs, the use of the word Simha came into vogue among the Paramaras of Malwa in 10th century CE, among the Guhilots and the Kachwahas of Narwar in the 12th century CE, and the Rathores of Marwar after the 17th century. By the sixteenth century, "Singh" had become a popular surname among Rajputs. It was adopted by the Sikhs in 1699, as per the instructions of Guru Gobind Singh. Singh is used by all baptized male Sikhs, regardless of their geographical or cultural binding; the women use Kaur. In the 18th century, several groups started using the title "Singh".