The Proto-Indo-European word *h₁er(h₁)-
Word *h₁er(h₁)-
Meaning to separate
Synonyms *k̂es-

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

Other words that might be of interest
*bʰag- ‘to distribute, to divide’, *deha(i)- ‘to cut up, to divide’, *lenk- ‘to divide, to bend, to traverse’