The Roman History · Amm. 17.4.4

And while he was in his savage manner moving to and fro among his plunderers, he got entangled in his own flowing robes, and fell on his face, and by the fall his dagger, which he wore close to his thigh, got loose from the scabbard, and he was mortally wounded and died.

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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