| 1 | German | Xylem | xylem |
| 2 | Ancient Greek | ξύλον | cut wood, timber; piece of wood, log, beam, post;... |
| 3 | Ancient Greek | -ουργός | worker, maker; work; worker, maker, craftsman |
| 4 | Ancient Greek | ἔργον | deed, doing, action; labour, work, task;... |
| 5 | Proto-Hellenic | wérgon | work |
| 6 | Proto-Indo-European | wérǵom | work |
| 7 | Proto-Indo-European | werǵ- | to make |