factum

‖n.; pl. Facta [ L. See Fact. ] 1. (Law) A man's own act and deed; particularly: (a) (Civil Law) Anything stated and made certain. (b) (Testamentary Law) The due execution of a will, including everything necessary to its validity. [ 1913 Webster ]

2. (Mach.) The product. See Facient, 2. [ 1913 Webster ]