rihla

Etymology
Borrowed from dialectal (compare standard 🇨🇬, 🇨🇬), from  (compare archaic 🇨🇬), originally a frequentative derivation tracing back to.

Noun

 * 1)  riffle cleat or groove in the bottom of a sluice box, causing the heavy particles such as pieces of gold to fall to the bottom of the box while the lighter particles are flushed away with water
 * 2) rifle one of the grooves inside the barrel of a firearm that improve its range and accuracy
 * 3)  rifling grooves in a gun barrel
 * 4)  dress system of furrows on the face of a millstone