rbʿ
Common Semitic *ʾarbaʿ-, four, and Central Semitic noun *rubʿ-, fourth, quarter.
1. Common Semitic *ʾarbaʿ-,
four.
Rabi,
from Arabic rabīʿ,
spring,
fourth.
2. Central Semitic noun *rubʿ-,
fourth,
quarter.
arroba,
from Arabic ar-rubʿ,
the quarter.
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Universalium.
2010.