English

  • buck
  • window buck, door buck

Dutch

  • stelkozijn
  • raamkast (I have seen this used in a patent, where ‘window buck’ was meant; not sure if it is a correct term in Dutch if used as such)

External links

 

See: Dictionary for Building Technology Terminology (Technische Universiteit Delft)

• stelraam = guide frame, rough buck, subcasing
• deurkozijn = door frame /- buck, jamb lining
Window buck: A wooden frame installed within a concrete foundation or block wall to define the space which will later be used to install a window.[1][2]

(The Ultimate Dictionary of Real Estate Terms)

References