rutch

Then Ismail set the pace yet faster, and they became the last two of a procession of turbaned men who tramped along a winding tunnel into a great mountain's womb. The sound of slippers clicking and rutching on the rock floor swelled and died and swelled again ...

Sitting on hard wooden chairs in school didn't help one bit, and I had an especially difficult time sitting still in class. One of my teachers was quite versed in Pennsylvania Dutch, and kept saying, “Quit your rutching!"