[f. as prec. + -ING1.] The action of the verb COUNTERFEIT, q.v.
c. 1440. Promp. Parv., Cowntyrfetynge, conformacio.
1561. Daus, trans. Bullinger on Apoc. (1573), 2 b. Those Scriptures, which vtterly want all suspition of counterfeityng.
1697. Lond. Gaz., No. 3326/1. The Persons concerned in the said Forgery and Counterfeiting.
1875. Jevons, Money (1878), 44. To render counterfeiting more difficult.