verb / noun
purchase
PUR-chus/ˈpɜːrtʃəs/
Obtaining something by paying for it.
The shopper purchases a basket of apples by handing coins to the vendor.

Etymology
The pieces suggest chasing forth or eagerly pursuing something, with the prefix possibly adding emphasis. The sense moved from pursuing or procuring to acquiring by any means, then specifically to acquiring by payment.
In context
Assuming that Robert Hamik wouldn't have traveled far to purchase the tool, detectives spoke to the clerk at the hardware store just down the street from his apartment.
More examples
- Keep your receipt as proof of purchase.
- Her latest purchase is a sturdy pair of hiking boots.
- We purchased the used car with our savings.
Forms
purchase · purchases · purchased · purchasing
purchaser noun — A person or organization that buys something.