rīv רִיב ‘to contend’ (Hebrew)

Etymology^?: a primitive root

rīv v
1) to strive, contend
 1a) (Qal)
  1a1) to strive
1a1a) physically
1a1b) with words
  1a2) to conduct a case or suit (legal), sue
  1a3) to make complaint
  1a4) to quarrel
 1b) (Hiphil) to contend against