pur'-chats: In modern English, "to acquire by payment," in Elizabethan English, "to acquire" by any means. In the Old Testament, the King James Version has used "purchase" to represent qanah, and its derivatives (verb and noun), except in Le 25:33, where the word is ga'al (the Revised Version (British and American) "redeem"). In the New Testament the noun does not occur and the verb is used for ktaomai, in Ac 1:18; 8:20, and peripoieo, in Ac 20:28; 1Ti 3:13. But none of these words connotes the payment of a price, so that the Revised Version (British and American) has kept the word only in Ac 20:28 (margin "acquired"), changing it into "obtain" in Ac 1:18; 8:20, and "gain" in 1Ti 3:13. In the Old Testament, the Revised Version margin has "gotten" in Ex 15:16 and the American Standard Revised Version has (very properly) introduced the same word into the text of Ps 74:2; 78:54.
⇒See the definition of purchase in the KJV Dictionary
Burton Scott Easton