váfa

váfi, váfði; ófir = váfir, Pd. 3; (later vófa, mod. vofa):—to swing, vibrate to and fro; belgr váfir, Hm. 135; ef ek sé á tré uppi váfa virgil-ná, 158; ván mín váfir, my hope wavers, Fms. vii. 115 (in a verse); sá váfði milli himins ok jarðar, Post.: still used in the phrase, e-t vofir yfir, is imminent, of danger; cp. þó man ek yðr þat er yfir ófir, þegjum nú, segja, then I will tell thee what is impending, though now I am silent, Pd. 3.