Source : Free On-Line Dictionary of Computing

DRECNET
     
        /drek'net/ [Yiddish/German "dreck", meaning filth] Deliberate
        distortion of DECNET, a networking protocol used in the {VMS}
        community.  So called because DEC helped write the Ethernet
        specification and then (either stupidly or as a malignant
        customer-control tactic) violated that spec in the design of
        DRECNET in a way that made it incompatible.  See also
        {connector conspiracy}.