| 1 | English | cardiogram | The visual output an electrocardiograph produces |
| 2 | English | -gram | Something written, drawn or otherwise recorded |
| 3 | Ancient Greek | γράμμα | that which is written, that which is drawn,... |
| 4 | Ancient Greek | γράφω | to scratch, cut into; to draw, sketch, paint; to... |
| 5 | Proto-Hellenic | grəpʰō | to scratch, cut or carve into; to draw ,... |
| 6 | Proto-Indo-European | gerbʰ- | to carve |
| 7 | Proto-Indo-European | ger- | to turn, bend, twist, wind; to tie, bind... |