 Complete the following phrase:  The origin of the name Tricarico is unknown. It might derive from the Greek treis three and cara headskull in Hellenistic-era Greek: η κάρα, τό κάρα, η κάρη. That is having three heads. According to a slightly different hypothesis, it could have originally been Triacricon, deriving from the Greek words  triatreis and acronacra, which during Antiquity and Early Middle Ages meant both an apexsummit, and a citadel, with Triacricon thus meaning a city made by connecting three citadels. These three acracitadels were no other than the site of the 9th c Arabic castle of Saracena in the north, the site of a 9th-10th c Byzantine Rocca fortificata in the south, improved during the 11th-12th c by the 