V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

TMG
       TestMusterGenerator (IC)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

TMG
       The Master Genealogist


The Free On-line Dictionary of Computing (30 December 2018):

TMG

   TransMoGrifier.

   An early language for writing recursive descent compilers.
   It was macroed from the IBM 1604 to the IBM 709 to the
   IBM 7094 to the GE-635, where it was used by McIlroy and
   Morris to write the EPL compiler for Multics.

   ["TMG - A Syntax-Directed Compiler", R.M. McClure, Proc ACM
   20th Natl Conf (1965)].

   [Sammet 1969, p.636].

   (1994-12-02)