席达瑟 transliterates the Sanskrit Siddhārtha - the given name of Gautama Buddha (
悉达多 /
释迦牟尼). The variant
悉达多 is the more common Buddhist transliteration in Chinese;
席达瑟 typically renders the title of Hermann Hesse's 1922 novel
《席达瑟》 (Siddhartha), a Western literary work loosely inspired by the Buddha's life.