Where does “arrova” come from?

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

Ancestry of “arrova”, step by step

StepLanguageWordMeaning
1Arabicربعone fourth, one quarter; quarter
2Arabicرُبْعfourth; quarter

Words derived from “arrova

Every word from Arabic رُبْعEvery word from Arabic ربع