Gjuki is a 5 letter English word.
You can make 22 anagrams from letters in Gjuki (gijku).
Old Norse Gjūki; compare Old English Gifica, Old High German Gibicho
In the Guthrnar-rtha again it is stated that Sigurth and the sons of Gjuki had ridden to a gathering and that they slew him then.
He calls himself Gunnar the son of Gjuki, and finally Brynhild consents to become his wife.