There are a number of traditionally itinerant or travelling groups in Europe who are known as "Travellers" or "Gypsies".- Itinerant groups in Europe
The traditional language of the Dom is Domari, an endangered Indo-Aryan language, thereby making the Dom an Indo-Aryan ethnic group.- Doms (Romani)
They used to be with other traditionally itinerant ethnic groups originating from India: the Rom and Lom people.- Doms (Romani)
Domari is an Indo-Aryan language spoken by older Dom people scattered across the Middle East.- Indo-Aryan languages
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The Romani (also spelled Romany, ), colloquially known as the Roma, are an Indo-Aryan ethnic group, traditionally nomadic itinerants.
This closely resembles words for "black" or "dark" in Indo-Aryan languages (e.g. Sanskrit काल kāla: "black", "of a dark colour").
The standard assumption is that the demonyms of the Romani people, Lom and Dom, share the same origin.