Rajputization
Rajputisation is the study of formation of the community of Rajputs over the centuries. The rajputs are a caste in the Indian caste system.  They consisted of a mix of various different social groups and different varnas (in the Dharma system, the (Brahmins, Kshatriyas, Vaishya and Shudras) including and tribes.  Rajputization explains the process by which such diverse communities merged into the Rajput community.