kāzav כָּזַב ‘to lie’ (Hebrew)

Etymology^?: a primitive root

kāzav v
1) to lie, tell a lie, be a liar, be found a liar, be in vain, fail
 1a) (Qal) liar (participle)
 1b) (Niphal) to be proven to be lying
 1c) (Piel)
  1c1) to lie, tell a lie, tell a lie with, deceive
  1c2) to disappoint, fail
 1d) (Hiphil) to make a liar, prove to be a liar