Bregðast

As defined by A Concise Dictionary of Old Icelandic (Geir Zoëga):

bregðast Old Icelandic word can mean:

bregðast

v. refl. to fail, come to naught (þat mun eigi ~);

bregðast

~ e-m, to deceive, disappoint one (Gunnar kvaðst aldri skyldu ~ Njáli né sonum hans);

bregðast

þeim brást frumhlaupit, they failed in the onslaught;

bregðast

~ brögðum, to play one another tricks;

bregðast

~ orðum, brigzlum, to upbraid one another;

bregðast

~ við, to make a sudden motion with the body (Hrútr brást skjótt við undan högginu);

bregðast

~ við fast, to turn sharply;

bregðast

~ á beina við e-n, to show hospitality towards;

bregðast

~ reiðr við e-t, to get angry at;

bregðast

~ úkunnr við e-t, to be startled at the novelty of a thing;

Possible runic inscription in Younger Futhark:ᛒᚱᛁᚴᚦᛅᛋᛏ