Middle English word strengthe comes from Proto-Germanic *strangaz (Strong. Tight, strict, straight.), Proto-Germanic - iþō
| Dictionary entry | Language | Definition |
|---|---|---|
| *strangaz | Proto-Germanic (gem-pro) | Strong. Tight, strict, straight. |
| - iþō | Proto-Germanic (gem-pro) | |
| *strangiþō | Proto-Germanic (gem-pro) | Strength. |
| strengþu | Old English (ang) | Moral strength; virtue. Physical strength; power to do; force; vigour; fortitude; efficacy. Severity; violence. |
| strengþo | Old English (ang) | |
| strengthe | Middle English (enm) | Strength. |