śāmaḥ שָׂמַח ‘to rejoice’ (Hebrew)

Etymology^?: a primitive root

śāmaḥ v
1) to rejoice, be glad
 1a) (Qal)
  1a1) to rejoice
  1a2) to rejoice (arrogantly), exult (at)
  1a3) to rejoice (religiously)
 1b) (Piel) to cause to rejoice, gladden, make glad
 1c) (Hiphil) to cause to rejoice, gladden, make glad