Gjalla
Viking Language Dictionary - gjallaMeaning of Old Norse / Old Icelandic word "gjalla"
- gjalla
 vb (III) to yell, scream 
Possible runic inscriptions in Younger Futhark:
- - Long branch (Danish):ᚴᛁᛅᛚᛚᛅ
 - - Short twig (Swedish & Norwegian):ᚴᛁᛆᛚᛚᛆ
 
Abbreviations used:
- vb
 - verb