bjarg-vættr

f. (in mod. usage m.), [bjarg, mons, or bjarga, servare], a helping friendly sprite, a good genius, answering to the Christian good angel; according to the heathen belief, the country, esp. hills and mountains, were inhabited by such beings; in the northern creed the bjargvætter are generally a kind of giant of the gentler kind: in mod. usage, a supporter, helper in need; muntu verða mér hinn mesti (masc.) b., Fas. ii. 438, vellum MS. of 15th century; en mesta (fem.) b., Bárð. 168, new Ed. 12.