1. Language-Linguistics(Abstract Noun) The origin and historical development of a linguistic form as shown by determining its basic elements, earliest known use, and changes in form and meaning, tracing its transmission from one language to another, identifying its cognates in other languages, and reconstructing its ancestral form where possible শব্দৰ মূল (ভাষাতত্বত অধ্যয়ন কৰা হয়)

English: etymology,
Assamese: ব্যুৎপত্তি, ব্যুৎপত্তি-তত্ত্ব

Related Idea:

a. Abstract Noun: proficiency, ব্যুৎপত্তি...