devil

1] prone to slander, slanderous, accusing falsely
   1.a] a calumniator, false accuser, slanderer,
2] metaphorically. applied to a man who, by opposing the cause of God, may be said to act the part of the devil or to side with him
derivation: from (1225)
http://bible.crosswalk.com/Lexicons/Greek/grk.cgi?number=1228&version=kjv

(1225)
1] to throw over or across, to send over
2] to traduce, calumniate, slander, accuse, defame
derivation: from (1223) and (906)
http://bible.crosswalk.com/Lexicons/Greek/grk.cgi?number=1225&version=kjv

(1223)
a primary preposition denoting the channel of an act
1] through
   1.a] of place
       1.a.1] with
       1.a.2] in
   1.b] of time
       1.b.1] throughout
       1.b.2] during
   1.c] of means
       1.c.1] by
       1.c.2] by the means of
2] through
   2.a] the ground or reason by which something is or is not done
       2.a.1] by reason of
       2.a.2] on account of
       2.a.3] because of for this reason
       2.a.4] therefore
       2.a.5] on this account
http://bible.crosswalk.com/Lexicons/Greek/grk.cgi?number=1223&version=kjv

(906)
1] to throw or let go of a thing without caring where it falls
   1.a] to scatter, to throw, cast into
   1.b] to give over to one's care uncertain about the result
   1.c] of fluids
       1.c.1] to pour, pour into
   1.d] of rivers
       1.d.1] to pour out
2] to put into, insert
http://bible.crosswalk.com/Lexicons/Greek/grk.cgi?number=0906&version=kjv