08819 Hithpael

a) This form primarily expresses a "reflexive" action of Qal or Piel
      See for Qal  08851
      See for Piel 08840

   Qal                Hithpael

   he wore            he dressed himself
   he washed          he washed himself
   he fell            he flung himself, he fell upon, he attacked
   he sold            he sold himself, he devoted himself

b) It expresses a reciprocal action.

   they saw           they looked upon one another
   they whispered     they whispered one to another

c) Some verbs in Hithpael are translated as a simple action. The
   reflexive action os understood.

   he prayed, he mourned, he became angry

This form accounts for 1.4% of the verbs parsed.