Ébauche
WIKIMEDIA DISAMBIGUATION PAGE
Ebauche; Movement-blanks; Ébauches; Ebauches
(loanword from French, meaning blank, outline or sketch) is a term used in art to denote the first preliminary underpainting or quick sketch in oils for an oil painting. Horology, clockmaking and watchmaking appropriated the term ébauche to refer to an incomplete or unassembled watch movement and its associated components.