Definition of "unshent"

Ho! all ye females that would live unshent, / Fly from the reach of Cyned's regiment.

c. 1600, John Ayliffe, Satires

Then sprang upon each other / those knights on honor bent, / And each from wounds deep cutting / sought to keep him all unshent.

1904, George Henry Needler, “How the Margrave was Slain”, in The Niebelungenlied Translated in Rhymed English‎, Reprint edition, The Gutenberg Project, published 2005