Timavus

Possibly from an extension of Proto-Indo-European *teh₂- (“to flow, stream, melt”), similar to Tifernus in Samnium.[1]

• (Classical) IPA^(key): /tiˈmaː.u̯us/, [t̪ɪˈmäːu̯ʊs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /tiˈma.vus/, [t̪iˈmäːvus]

The river's source

Timāvus m sg (genitive Timāvī); second declension

1. A river of Venetia which flows into the Adriatic Sea between Aquileia and Tergeste

Second-declension noun, singular only.

• Timavus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• “Timavus”, in William Smith, editor (1854, 1857), A Dictionary of Greek and Roman Geography, volume 1 & 2, London: Walton and Maberly