a great king who, according to the Nibelungenlied, was the second husband of Kriemhild after the death of Siegfried: identified with Attila the Hun 
Compare Atli
WordReference Random House Unabridged Dictionary of American English © 2025
Et•zel 
(et′səl),USA pronunciation n. [Germanic Legend.]
- MythologyAttila: represented in the Nibelungenlied as the second husband of Kriemhild after the death of Siegfried. Cf. Atli.
 
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'Etzel' also found in these entries (note: many are not synonyms or translations):