| 1 | English | retrench | To cut down or reduce; To confine; to limit; to... |
| 2 | English | trench | A long, narrow ditch or hole dug in the ground; A... |
| 3 | Old French | trenche | trench; first-person singular present indicative... |
| 4 | Old French | trenchier | to cut |
| 5 | Vulgar Latin | trinicare | cut into three parts; cut in three parts |
| 6 | Latin | trini | nominative masculine plural of trīnus; genitive... |
| 7 | Latin | tres | three; 3 |
| 8 | English | three | A numerical value after two and before four.... |
| 9 | Middle English | thre | three |
| 10 | Old English | þrī | — |
| 11 | Proto-West Germanic | þrīʀ | three |
| 12 | Proto-Germanic | þrīz | three |
| 13 | Proto-Indo-European | *tréyes | — |