| 1 | Old English | Æscleah | — |
| 2 | Old English | æsċ | ash tree; ash, spear, lance, ship |
| 3 | Old English | trēo | — |
| 4 | Proto-West Germanic | treu | tree; wood |
| 5 | Proto-Germanic | trewą | tree |
| 6 | English | doru | Alternative form of dory |
| 7 | Ancient Greek | δόρυ | wood, tree, stem; spear shaft, spear, lance,... |
| 8 | Proto-Hellenic | dóru | tree |
| 9 | Proto-Indo-European | dóru | tree |
| 10 | Proto-Indo-European | drew- | hard, firm, strong, solid; hard, fast; tree |