Dutch word rug comes from Proto-Indo-European *sker-, Proto-Indo-European *(s)krewk, and later Proto-Germanic *hrugjaz (Back. Ridge. Spine.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *sker- | Proto-Indo-European (ine-pro) | cut, to turn, bend, to bend, turn, shear, to twist, bend, dung, manure |
| *(s)krewk | Proto-Indo-European (ine-pro) | |
| *(s)krewk- | Proto-Indo-European (ine-pro) | to turn, bend |
| *hrugjaz | Proto-Germanic (gem-pro) | Back. Ridge. Spine. |
| ruggi | Old Dutch (odt) | |
| *hruggi | Old Dutch (odt) | |
| rugge | Middle Dutch (dum) | Back. |
| rug | Dutch (nld) | (geology) ridge. Back. |