| 1 | English | deform | To change the form of, usually negatively; to... |
| 2 | Middle English | deformen | to deform |
| 3 | Old French | deformer | — |
| 4 | Latin | deformare | present active infinitive of dēfōrmō;... |
| 5 | Latin | deformo | I form, fashion; I design, delineate, describe; I... |
| 6 | Latin | de- | de- |
| 7 | Latin | de | The name of the letter "D"; of, concerning,... |
| 8 | Proto-Indo-European | de | Emphatic or contrastive particle, and, but;... |