Where does “arroba” come from?

arroba (Portuguese) comes from Old Portuguese arrova, from Arabic ربع, from Arabic رُبْع — fourth; quarter.

arroba (Portuguese): at sign; arroba

Definitions

  1. at sign; arroba

Ancestry of “arroba”, step by step

arroba traces back through two separate lines of ancestry.

via Old Portuguese arrova

StepLanguageWordMeaning
1Old Portuguesearrova—
2Arabicربعone fourth, one quarter; quarter
3Arabicرُبْعfourth; quarter

via Old Portuguese arroba

StepLanguageWordMeaning
1Old Portuguesearroba—
2Arabicاَلرُّبْع—

Words derived from “arroba”

Every word from Arabic رُبْع →Every word from Arabic ربع →Every word from Old Portuguese arrova →
arroba — Etymology, Origin & Word History | Etymology Explorer