| 1 | Old English | drēogan | to serve in the military, endure; to perform |
| 2 | Proto-West Germanic | dreugan | to mislead, to deceive; to serve, to be a... |
| 3 | Proto-Germanic | dreuganą | to mislead, to deceive; to serve, to be a... |
| 4 | Proto-Indo-European | dʰrewgʰ- | to deceive, to mislead; to serve one's tribe;... |
| 5 | Proto-Indo-European | dʰer- | to support; to hold |