Middle English word riggebon comes from Proto-Germanic *hrugjaz (Back. Ridge. Spine.), Proto-Germanic *bainą (Leg, bone.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *hrugjaz | Proto-Germanic (gem-pro) | Back. Ridge. Spine. |
| *bainą | Proto-Germanic (gem-pro) | Leg, bone. |
| hrycg | Old English (ang) | (anatomy) back; spine; ridge (back or spine of an animal). |
| ban | Old English (ang) | Bone. |
| *hrugjabainą | Proto-Germanic (gem-pro) | (anatomy) backbone. |
| hrycgban | Old English (ang) | (anatomy) backbone; spine. |
| hryġċbān | Old English (ang) | |
| riggebon | Middle English (enm) |