The term Hinduism became familiar as a designator of religious ideas and practices distinctive to India with the publication of books such as Hinduism (1877) by Sir Monier Monier-Williams, the notable Oxford scholar and author of an influential Sanskrit dictionary. Initially it was an outsiders’ term, building on centuries-old usages of the word Hindu. Early travelers to the Indus valley, beginning with the Greeks and Persians, spoke of its inhabitants as “Hindu” (Greek: ‘indoi), and, in the 16th century, residents of India themselves began very slowly to employ the term to distinguish themselves from the Turks. Gradually the distinction became primarily religious rather than ethnic, geographic, or cultural.
Since the late 19th century, Hindus have reacted to the term Hinduism in several ways. Some have rejected it in favour of indigenous formulations. Others have preferred “Vedic religion,” using the term Vedic to refer not only to the ancient religious texts known as the Vedas but also to a fluid corpus of sacred works in multiple languages and an orthoprax (traditionally sanctioned) way of life. Still others have chosen to call the religion sanatana dharma (“eternal law”), a formulation made popular in the 19th century and emphasizing the timeless elements of the tradition that are perceived to transcend local interpretations and practice. Finally, others, perhaps the majority, have simply accepted the term Hinduism or its analogues, especially hindu dharma (Hindu moral and religious law), in various Indic languages.
Since the early 20th century, textbooks on Hinduism have been written by Hindus themselves, often under the rubric of sanatana dharma. These efforts at self-explanation add a new layer to an elaborate tradition of explaining practice and doctrine that dates to the 1st millennium BCE. The roots of Hinduism can be traced back much farther—both textually, to the schools of commentary and debate preserved in epic and Vedic writings from the 2nd millennium BCE, and visually, through artistic representations of yakshas (luminous spirits associated with specific locales and natural phenomena) and nagas (cobralike divinities), which were worshipped from about 400 BCE. The roots of the tradition are also sometimes traced back to the female terra-cotta figurines found ubiquitously in excavations of sites associated with the Indus valley civilization and sometimes interpreted as goddesses.