| 1 | Latin | tractatus | tugged, dragged, hauled; handled, managed;... |
| 2 | Latin | tractare | present active infinitive of tractō;... |
| 3 | Latin | tracto | I tug, drag or haul; I handle or manage; I... |
| 4 | Latin | tractus | dragged, having been dragged; trailed, having... |
| 5 | Latin | trahere | second-person singular future passive indicative... |
| 6 | Latin | traho | I drag, pull; I trail; I extract, withdraw |
| 7 | Proto-Italic | traɣō | — |
| 8 | Proto-Indo-European | tregʰ- | to drag, pull?; to run, walk |
| 9 | Proto-Indo-European | dʰregʰ- | to run |