Save Gender Masculine Usage Old Norse [1], Norse Mythology Meaning & History From Old Norse ótti "terror, fear" and herr "army, warrior". In the Old Norse poem Hyndluljóð in the Poetic Edda, the goddess Freya helps Óttar learn about his ancestry. Related NamesFamily Tree·Details Rootsótti + herrOther Languages & CulturesOttar(Norwegian) Categories emotions, fear, feelings, war, warrior Sources & References Viking Answer Lady Webpage, available from https://www.vikinganswerlady.com/ONNames.shtml.