indicate the level to which a name has been verified.
Type River
Usage Old Celtic (Latinized), History
Meaning & History
Romanized form of a Celtic river name, from Common Celtic *iska- "water" (cognate with whiskey). This is the Latin name for both the River Exe and the River Usk, after which the towns of Exeter (Isca Dumnoniorum) and Caerleon (Isca Augusta) got their Roman names.