The Proto-Indo-European word *dhgʷhei-
Word *dhgʷhei-
Meaning to destroy, to perish
Synonyms *bʰrehₓi-, *h₂erhₓ-, *h₂erk-, *h₃elh₁-, *nek̂-

Comments
Mallory J.P. and Adams D. (2006)

Other words that might be of interest
*leuĝ- ‘to break off, to break’, *mer- ‘to die’, *dheu- ‘to die, to breathe ones last’, *wreh₁ĝ- ‘to break, to tear to pieces’