[3] Leiptr (f.): Lit. ‘lightning’. The name might refer either to the movement or to the glow of the river (S-G I, 199). This is one of the mythical rivers that flow from the spring Hvergelmir (Grí 28/10; Gylf, SnE 2005, 9). Cf. also HHund II 31/6 where Leiptr is a river where oaths are sworn.