사용하다
sayonghada · TOPIK 1
to use
🔧 使用 = 使 (employ) + 用 (use): put something to use
Sino-Korean 사용 (使用) pairs 사 (使, to employ or make do) with 용 (用, to use), then adds 하다 (to do) to make a verb. The same 용 appears in 이용 (utilisation) and 용도 (purpose), so 용 reliably signals use.