meesterproef
Meesterproef is a historical term used in traditional Dutch and Flemish craft guilds to denote the final examination required for a journeyman to become a meester (master) and to open a workshop. The exact form of the test varied by craft, region, and period, but it generally served as the public demonstration that the candidate possessed the skill, judgment, and experience to practice independently at the highest level.
Typically, a candidate had already completed an apprenticeship and time as a journeyman. The me esterproef
Successful completion granted the right to join the guild as a meester, to sign off on projects
In contemporary usage, the term can be used metaphorically to describe a demanding, culminating test or performance