Edited sentence: According to this view, then, the Rom, Dom and the Lom did not leave India as one group, speaking one language.However, many of them share ethnonyms that go back to similar caste names: the Rom of Europe, the Lom of the Caucasus and Anatolia, the Dom of the Middle East, are an example, all descending, it is assumed, from the Indian caste of the Ḍom.Most mainstream researchers in Romani linguistics and Romani ethnography hold the view that the exodus of the Rom(a) from India is part of the historical phenomenon of outwards migration from India of castes, specializing in certain trades.Rather, they simply share the same ethnonym because they belonged to similar social castes.The latter is a cover-term for itinerant service-providing castes.These groups will have originated in different areas within India, and spoken different (albeit related) Indian languages, and probably left the subcontinent at different times, taking different routes.This origin hypothesis allows to reconcile the linguistic and geographical diversity of minorities of Indian origin living outside of India, with the similarities between them in occupation profile, social status, name, and origin