- rb-3
- rbcDefinition: Common Semitic *ɔarbac-, four, and Central Semitic noun *rubc-, fourth, quarter. 1. Common Semitic *ɔarbac-, four. rabi, from Arabic rabīc, spring, fourth. 2. Central Semitic noun *rubc-, fourth, quarter. arroba, from Arabic ar-rubc, the quarter.
The American Heritage dictionary of the English language. 2015.