How to say "fourth (ordinal, e.g. 4th)" in Arabic
CognateMeaningfourth (ordinal, e.g. 4th)
Arabic · Modern Standard Arabic
رَابِع
rābiʿראבע
رابع
Hebrew · Modern Hebrew
רביעי
revi'iرِڤِيئِي
How the two words are related
Cognate
Same Semitic root, same meaning — you already know this word.
Arabic root
ر-ب-عHebrew root
ר-ב-ערביעי and rābiʿ share the root ר-ב-ע/ر-ب-ع wholesale — the same root behind 'four' (arbaʿa/ארבעה) and 'quarter' (rubʿ/רבע).
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In a phrase
الصَّفّ الرَّابِع
aṣ-ṣaff ar-rābiʿא-צף א-ראבעthe fourth grade
Feminine
رَابِعَة
rābiʿaראבעה