sāḥar סָחַר ‘to trade’ (Hebrew)

Etymology^?: a primitive root

sāḥar v
1) to go around, go about, travel about in, go about in trade
 1a) (Qal)
  1a1) to go about to and fro (in business)
  1a2) trader, trafficker (participle)
 1b) (Pilpel) to palpitate