to engage in the purchase of something
खरीदना
English Usage: I am buying groceries this evening.
Hindi Usage: मैं इस शाम किराने का सामान खरीद रहा हूँ।
the act of purchasing something
English Usage: Buying a house is a significant investment.
Hindi Usage: घर खरीदना एक महत्वपूर्ण निवेश है।