Where does “arroba” come from?

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

arroba (English): An old Spanish weight used in Mexico and South...

Definitions

  1. An old Spanish weight used in Mexico and South...

Ancestry of “arroba”, step by step

arroba traces back through two separate lines of ancestry.

via Portuguese arroba

StepLanguageWordMeaning
1Portuguesearrobaat sign; arroba
2Old Portuguesearrova
3Arabicربعone fourth, one quarter; quarter
4Arabicرُبْعfourth; quarter

via Spanish arroba

StepLanguageWordMeaning
1SpanisharrobaAn ancient unit of measure of weight or volume,...
2Old Spanisharrouaarroba
3Arabicاَلرُّبْع
Every word from Arabic رُبْعEvery word from Arabic ربعEvery word from Old Portuguese arrova