Pentimenti

n. reappearance or visible sign of earlier painting under the paint on a canvas

This article is about the alterations in paintings. It is also the title of a book by playwright Lillian Hellman A pentimento (plural pentimenti) is an alteration in a painting showing that the artist has changed his mind as to the composition during the process of painting. The word derives from the Italian , meaning to repent.
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Noun
1. the reappearance in a painting of an underlying image that had been painted over (usually when the later painting becomes transparent with age)
(hypernym) painting, picture

n. repentance, regret

term for changes a painter makes in the course of creating a work that show through the surface of the paint or can be detected through the use of X rays

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