tarnhelm

With the loot, he builds a slave empire and acquires two marvelous things: a ring of gold that brings infinite power and a tarnhelm (magic cap) that can make the wearer invisible.

Daniel Bruno Sanz: Madoff the God of Plunder 2009

But Immerglück calls to her side Dampfboot, the tinsmith of the gods, and bids him make for her a tarnhelm or invisible cap which will enable her to talk to people without their understanding a word she says.

Love Conquers All Robert Benchley 1917

Arrived at Gunther's home, she of course recognises Siegfried in his own shape, and knows by the ring that it was he, changed by the tarnhelm, and not Gunther, who had broken through the fire a second time.

Wagner Runciman, John F 1913

Presently Siegfried, wearing the tarnhelm, comes and claims her, and compels her to share his couch, placing his sword between them to keep faith with Gunther.

Wagner Runciman, John F 1913

Presently Siegfried, wearing the tarnhelm, comes and claims her, and compels her to share his couch, placing his sword between them to keep faith with Gunther.

Wagner John F. Runciman 1891

Arrived at Gunther's home, she of course recognises Siegfried in his own shape, and knows by the ring that it was he, changed by the tarnhelm, and not Gunther, who had broken through the fire a second time.

Wagner John F. Runciman 1891