[1870–75; vibro- + -graph]This word is first recorded in the period 1870–75. Other words that entered Englishat around the same time include: giveaway, immobilize, onshore, upgrade, washout-graph is a combining form meaning “drawn,” “written” (lithograph; monograph). It is specialized in meaning to indicate the instrument rather than the writtenproduct of the instrument (telegraph; phonograph)