Complex sentence: Most cavalrymen relied on the "kotah-yaraq", or short arms to be used at close quarters and grouped into five classes: swords and shields, maces, battle-axes, spears, and daggers.
Split into simpler sentences: Most cavalrymen relied on the "kotah-yaraq" (short arms) to be used at close quarters. They grouped into five classes: swords and shields, maces, battle-axes, spears, and daggers.