The Proto-Indo-European word *gʰouro-
Word *gʰouro-
Meaning fear
Synonyms *kʷeh₁(i)-, *perk-, *dwei-, *hₐénĝhes-

Comments
Skr. ghora, Goth. gaurs, Gm. gōrag/, Russ. gore; žurit', Eng. gyrn/, ON gaurr

Other words that might be of interest
*k̂ehades- ‘hate, concern’