cesarevich
noun
ce·sar·e·vich
sə̇ˈzarəˌvich,
-zär-
plural -es
often capitalized
1
: the eldest son of the czar
2
: the heir to the Russian throne compare czarevitch
Word History
Etymology
Russian tsesarevich, from tsesar' emperor (from Latin caesar) + -evich (patronymic suffix)