ردف

Arabic

Etymology 1

From the root ر د ف (r-d-f).

Verb

1. to follow

Etymology 2

Noun

رِدْف • (ridf) m (plural أَرْدَاف (ʔardāf))

1. (anatomy) buttock, hind part, croup
2. who mounts behind the rider
3. what follows or succeeds

   الرِّدْفَان ― ar-ridfān ― day and night

4. substitute
5. viceroy

Declension

Declension of noun رِدْف (ridf)

Singular	basic singular triptote
	Indefinite	Definite	Construct
Informal	رِدْف ridf	الرِّدْف ar-ridf	رِدْف ridf
Nominative	رِدْفٌ ridfun	الرِّدْفُ ar-ridfu	رِدْفُ ridfu
Accusative	رِدْفًا ridfan	الرِّدْفَ ar-ridfa	رِدْفَ ridfa
Genitive	رِدْفٍ ridfin	الرِّدْفِ ar-ridfi	رِدْفِ ridfi
Dual	Indefinite	Definite	Construct
Informal	رِدْفَيْن ridfayn	الرِّدْفَيْن ar-ridfayn	رِدْفَيْ ridfay
Nominative	رِدْفَانِ ridfāni	الرِّدْفَانِ ar-ridfāni	رِدْفَا ridfā
Accusative	رِدْفَيْنِ ridfayni	الرِّدْفَيْنِ ar-ridfayni	رِدْفَيْ ridfay
Genitive	رِدْفَيْنِ ridfayni	الرِّدْفَيْنِ ar-ridfayni	رِدْفَيْ ridfay
Plural	basic broken plural triptote
	Indefinite	Definite	Construct
Informal	أَرْدَاف ʔardāf	الْأَرْدَاف al-ʔardāf	أَرْدَاف ʔardāf
Nominative	أَرْدَافٌ ʔardāfun	الْأَرْدَافُ al-ʔardāfu	أَرْدَافُ ʔardāfu
Accusative	أَرْدَافًا ʔardāfan	الْأَرْدَافَ al-ʔardāfa	أَرْدَافَ ʔardāfa
Genitive	أَرْدَافٍ ʔardāfin	الْأَرْدَافِ al-ʔardāfi	أَرْدَافِ ʔardāfi

References

• Steingass, Francis Joseph (1884) “ردف”, in The Student's Arabic–English Dictionary‎^[1], London: W.H. Allen

Etymology 3

Noun

رَدْف • (radf) m

1. verbal noun of رَدِفَ (radifa) (form I)
2. verbal noun of رَدَفَ (radafa) (form I)

Declension

Declension of noun رَدْف (radf)

Singular	basic singular triptote
	Indefinite	Definite	Construct
Informal	رَدْف radf	الرَّدْف ar-radf	رَدْف radf
Nominative	رَدْفٌ radfun	الرَّدْفُ ar-radfu	رَدْفُ radfu
Accusative	رَدْفًا radfan	الرَّدْفَ ar-radfa	رَدْفَ radfa
Genitive	رَدْفٍ radfin	الرَّدْفِ ar-radfi	رَدْفِ radfi