IPA: /djuːtʃ/
KK: /djuːs/
A person who leads or commands others, often in a position of authority.
The duce of the organization made an important announcement today.
Duce comes from the Latin word "ducere" (meaning to lead). It refers to a leader or someone who guides others.
Think of someone who 'leads' ('ducere') others — that's why 'duce' refers to a leader.