They help people get a leg up

• Foot props
• Comfy footstools
• Armless sofas
• Footstools that often match chairs
• Pretentious over crews getting seats
• Conquerors of the Byzantines
• Hassock cousins
• An Empire and a hassock
• Large, cushiony footstools

Wiktionary Word definitions in Wiktionary
n. (plural of ottoman English)