the essential nature or character of something
किसी चीज़ की मूल प्रकृति या चरित्र
English Usage: "The substance of his argument was compelling."
Hindi Usage: "उसकी तर्क की मूल प्रकृति आकर्षक थी।"
moole prakriti, mul prakriti, mool prakriti, mool prakruti