knavery - Dictionary definition and meaning for word knavery
knave-opposite of knight(one who fights with dignity)
knavery sounds like 'bravery'...but knavery means dishonesty,rascality which is the opposite to bravery.
Consider Knavery as : K+Naive Naive means guile less. Now take the prefix 'K' as negative connotation by remembering Ekta Kapur's K (Khanai ghar ghar ki etc) all having some negative "Knave" characters
kaveri(river)+'n' in between ....which provides the negative effect.