The Proto-Indo-European word *gʷhen-
Word *gʷhen-
Meaning to strike
Synonyms *bʰlaĝ-, *bʰlihₓĝ-, *gʷel-, *wel(h₂)-, *plehₐk/g-, *kelh₁-

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

Other words that might be of interest
*pleh₂k- ‘to hit’