retroussage

[re-truh-sahzh; French ruh-troo-sazh]

noun

the technique or action, in etching or engraving, of drawing up ink from within the incised lines of an inked plate by deftly passing a soft cloth across its surface in order to spread ink to the adjacent areas.

Origin of retroussage

1955–60; < French: a turning up, equivalent to retrouss(er) (see retroussé) + -age -age

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

But before they can be used to advantage, they must undergo a process of retroussage.
The Book of Khalid
Ameen Rihani