The Roman History · Amm. 23.6.21

But we say that in this country there are two rivers which never fail, which we ourselves have crossed, the Diabas, and the Adiabas: both having bridges of boats over them; and that Adiabene has received its name from this last, as Homer tells us Egypt received its name from its great river, and India also, and Commagena which was formerly called Euphratensis, as did the country now called Spain, which was formerly called Iberia from the Iberus. And the great Spanish province of Bœtica from the river Bœtis.

Ammianus Marcellinus · translated by C. D. Yonge · 1911 reprint
C. D. Yonge translation (preface dated February 1862); G. Bell and Sons, 1911; Project Gutenberg #28587
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