Source : Free On-Line Dictionary of Computing

ET++
     
        A {Smalltalk}-like system for {Sun}s, built on {C++} by
        Weinand of UBILAB Zurich.  Version 3.0-alpha includes {class}
        libraries and documentation.
     
        {(ftp://iamsun.unibe.ch/C++/ET++/et2.2.tar.Z)}.
     
        E-mail: Erich Gamma .
     
        (1992-10-26)

et
     
         The {country code} for Ethiopia.
     
        (1999-01-27)

ET
     
        Bernd Gersdorf, U Bremen.  An integration of functional and
        logic programming.