šāvaʿ שָׁבַע ‘to swear’ (Hebrew)

Etymology^?: a primitive root

šāvaʿ v
1) to swear, adjure
 1a) (Qal) sworn (participle)
 1b) (Niphal)
  1b1) to swear, take an oath
  1b2) to swear (of Jehovah by Himself)
  1b3) to curse
 1c) (Hiphil)
  1c1) to cause to take an oath
  1c2) to adjure