ribb

Old English

ribb n

rib
- late 9th century, translation of Orosius’ History Against the Pagans
  ...for þon hit is nǣdrena ġecynd þæt heora mǣġen ⁊ hiera fēþe bið on heora ribbum swā ōþerra crēopendra wyrma bið on heora fōtum.
  ...for it is the class of snakes whose movement is on their ribs, just as the motion of other creeping reptiles is with their feet.

Declension of ribb (strong a-stem)