What is "vovousa"

Vovousa (, ) is a village and a former community in the Ioannina regional unit, Epirus, Greece. Since the 2011 local government reform it is part of the municipality Zagori, of which it is a municipal unit. It is one of the original Zagori villages. Population 179 (2001). The name possibly derives from "Voiousa" or "Vovousa" (alternative names for the Aoos river) related to the Greek word "vous" for "bull".