
1) Scandinavian girl name
Found on
https://www.crosswordclues.com/clue/borghild

In Norse mythology, Borghild was the first wife of Sigmund. She bore him two sons, Hamund and Helgi. She is the personification of the evening mist, or perhaps the moon, who kills the light of day. == Völsunga saga == Borghild is the step-mother of Sinfjötli. Sinfjötli `saw a lovely woman and strongly desired to have her. The brother of Borghi....
Found on
http://en.wikipedia.org/wiki/Borghild
[name] Borghild (and versions like Burghild and Borghildur) is a female given name formed from `borg` (protection) and `hild` (battle). As of December 31, 2005, there were 585 persons in Sweden named Borghild. It is more common in Norway. In August 2006 there were 4213 women in Norway named Borghild. The name was at its top in 1905. ...
Found on
http://en.wikipedia.org/wiki/Borghild_(name)

(in the Volsunga Saga) the first wife of Sigmund: she poisons Sinfiotli in revenge for his killing of her brother.
Found on
https://www.infoplease.com/dictionary/borghild
No exact match found.