Níþ-heard

According to the Old English Dictionary:

níþ-heard

adj. Bold in battle, audacious :-- Níþheard cyning (Constantine), Elen. Kmbl. 389; El. 195 : (Beowulf), Beo. Th. 4826; B. 2417. Ðá wearþ sum tó ðæs árod ðara beadorinca, ðæt hé in ðæt búrgeteld níþheard néðde, Judth. Thw. 25, 25 ; Jud. 277. [Cf. O. H. Ger. Nídhart (proper name).] niþ-heard