PTQid 61.b:38[2] :אתא {מצוותא}<צמות> לטחונייא‏ : a gathering came to the millers
See the entire entry for ṣwmwt n.m. gathering

PTQid 61.b:38[2] :חד בר נש הוה טחין בריחייא‏ : a certain man was grinding at the mill
See the entire entry for rḥē, re/aḥyā n.m. millstone, mill