Mascas

Borrowed from Ancient Greek Μασκᾶς (Maskâs).

• (Classical Latin) IPA^(key): [ˈmas.kaːs]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈmas.kas]

Mascās m sg (genitive Mascae); first declension

1. A river of Mesopotamia flowing into the Euphrates

First-declension noun (masculine, Greek-type, nominative singular in -ās), singular only.

• “Mascas”, in William Smith, editor (1854, 1857), A Dictionary of Greek and Roman Geography, volume 1 & 2, London: Walton and Maberly