artefak

Etymology
From, from.

Noun

 * 1)  an object made or shaped by human hand or labor;
 * 2)  something viewed as a product of human agency or conception rather than an inherent element.
 * 3)  an object, such as a tool, ornament, or weapon of archaeological or historical interest, especially such an object found at an archaeological excavation.
 * 4) a finding or structure in an experiment or investigation that is not a true feature of the object under observation, but is a result of external action, the test arrangement, or an experimental error.
 * 5)  an appearance or structure in protoplasm due to death, the method of preparation of specimens, or the use of reagents, and not present during life.
 * 6)  a perceptible distortion that appears in an audio or video file or a digital image as a result of applying a lossy compression or other inexact processing algorithm.
 * 1)  a perceptible distortion that appears in an audio or video file or a digital image as a result of applying a lossy compression or other inexact processing algorithm.