sāxan סָכַן ‘be useful’ (Hebrew)

Etymology^?: a primitive root

sāxan v
1) to be of use or service or profit or benefit
 1a) (Qal)
  1a1) to be of use or service
  1a2) servitor, steward (participle)
  1a3) to benefit, profit
 1b) (Hiphil) to be used, be wont, exhibit use or habit, show harmony with, be familiar with, know intimately