Step 1: Concept Identification: The objective is to identify the sociologist credited with introducing the concept of 'Sanskritization'.
Step 2: Detailed Explanation: The term 'Sanskritization' was developed and popularized by the renowned Indian sociologist M. N. Srinivas. He initially employed the concept in his D.Phil. thesis and subsequently expanded upon it in his publication Religion and Society Among the Coorgs of South India (1952). Sanskritization denotes the process through which a lower-ranking Hindu caste, or tribal or other group, modifies its customs, rituals, beliefs, and lifestyle to align with those of a higher, and often, "twice-born" caste. This is a mechanism of social mobility.
Step 3: Conclusion: The term 'Sanskritization' was originated by M. N. Srinivas.