Voivode (ˈvɔɪvoʊd ), also spelled voivod, voievod or voevod and also known as vaivode (ˈvaɪvoʊd,_ˈveɪ- ), voivoda, vojvoda or wojewoda, is a title denoting a military leader or warlord in Central, Southeastern and Eastern Europe in use since the Early Middle Ages. It primarily referred to the medieval rulers of the Romanian-inhabited states and of governors and military commanders of Ukrainian Cossacks, Hungarian, Balkan, Russian people and other Slavic-speaking populations.
In the Polish-Lithuanian Commonwealth, voivode was interchangeably used with palatine. In the Tsardom of Russia, a voivode was a military governor. Among the Danube principalities, voivode was considered a princely title.
The term voivode comes from two roots. Voi is related to warring, while vod means 'leading' in Old Slavic, together meaning 'war leader' or 'warlord'. The Latin translation is comes palatinus for the principal commander of a military force, serving as a deputy for the monarc