Tenon and mortise sounds magical, could be a shop on Diagon Alley in a Harry Potter book.
The Dutch call it 'pen en gat' - pin and hole. Can't get more down to earth than that. Though the mortising tool I use is called a 'square hole drill' here.
Maybe a bit of magic after all.
These are the new doors for the klipper 'Nicolaas Mulerius'.