sentences:  The Romanized populace of Pannonia in general became ‘Avarized’, and their ‘island’ of late antique culture is documented only in the immediate vicinity of Keszthely, where their traditional costume was worn until the beginning of the 9th century.The name "Keszthely" (IPA ) could be related to the Istriot–Venetian "castei", which means "castle", and is probably an original word of the Pannonian Romance language, according to the Austrian linguist Julius Pokorny.He also posits that the word "Pannonia" is derived via Illyrian from a Proto-Indo-European root "*pen-" "swamp, water, wet".