Original: Doge (plural dogi or doges) is a dialectal Italian word  that descends from the Latin dux (as does the English duke and the standard Italian duce), meaning "leader", especially in a military context.
Simplified: Doge (plural dogi or doges) is a word of an Italian dialect that comes from the Latin dux (as does the English duke and the standard Italian duce), that means "leader", especially in a military context.