Where does “رباعی” come from?

رباعی (Classical Persian) comes from Arabic رُبَاعِيّ, from Arabic أَرْبَعَة — four.

Ancestry of “رباعی”, step by step

StepLanguageWordMeaning
1Arabicرُبَاعِيّ—
2Arabicأَرْبَعَةfour
Every word from Arabic أَرْبَعَة →Every word from Arabic رُبَاعِيّ →