Meaning of -GRAPH in English
a combining form meaning "drawn," "written" ( lithograph; monograph ); specialized in meaning to indicate the instrument rather than the written product of the instrument ( telegraph; phonograph ).
[ -graphos (something) drawn or written, one who draws or writes. See GRAPHO- ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012