from The American Heritage® Dictionary of the English Language, 4th Edition
- A river of central Europe rising in the Carpathian Mountains in the western Ukraine and flowing about 995 km (620 mi) generally southward across eastern Hungary and northern Serbia to the Danube River.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. a river in Central Europe, mainly flowing through Hungary and Serbia
From Hungarian Tisza. Known in Latin as Pathissus, perhaps from Thracian-Dacian *patis (“water”); compare Sanskrit पाथस् (pāthas, "water"). The word may have been analyzed by the Slavic tribes as composed of Proto-Slavic *po (“by, at”) + *tisъ (“yew”) (compare Russian тис). (Wiktionary)