ouvreur

Etymology 1
From.

Noun

 * 1) opener
 * 2) forerunner
 * 3) usher

Etymology 2
From (found in  as, , ), possibly corresponding to , and therefore a doublet of the borrowing.

Noun

 * 1) a worker in papermaking, charged with drawing out the paste from the vat and spreading it evenly to make a sheet
 * 2) a worker in glassmaking
 * 3) a worker who fashions textile materials and prepares them for weaving