ركبة

Contents

ArabicEdit

Etymology 1Edit

Ultimately from Proto-Semitic *rukba- (“knee”), metathetic form of Proto-Semitic *birk-, *bark- (“knee”), whence also root ب ر ك (b-r-k).

PronunciationEdit

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NounEdit

رُكْبَة • (rukba) f (plural رُكَب (rukab) or رُكْبَات (rukbāt))

1. (anatomy) knee

DeclensionEdit

Declension of noun رُكْبَة (rukba)

Singular	singular triptote in ـَة (-a)
	Indefinite	Definite	Construct
Informal	رُكْبَة rukba	الرُّكْبَة ar-rukba	رُكْبَة rukbat
Nominative	رُكْبَةٌ rukbatun	الرُّكْبَةُ ar-rukbatu	رُكْبَةُ rukbatu
Accusative	رُكْبَةً rukbatan	الرُّكْبَةَ ar-rukbata	رُكْبَةَ rukbata
Genitive	رُكْبَةٍ rukbatin	الرُّكْبَةِ ar-rukbati	رُكْبَةِ rukbati
Dual	Indefinite	Definite	Construct
Informal	رُكْبَتَيْن rukbatayn	الرُّكْبَتَيْن ar-rukbatayn	رُكْبَتَيْ rukbatay
Nominative	رُكْبَتَانِ rukbatāni	الرُّكْبَتَانِ ar-rukbatāni	رُكْبَتَا rukbatā
Accusative	رُكْبَتَيْنِ rukbatayni	الرُّكْبَتَيْنِ ar-rukbatayni	رُكْبَتَيْ rukbatay
Genitive	رُكْبَتَيْنِ rukbatayni	الرُّكْبَتَيْنِ ar-rukbatayni	رُكْبَتَيْ rukbatay
Plural	basic broken plural triptote‎; sound feminine plural
	Indefinite	Definite	Construct
Informal	رُكَب‎; رُكْبَات rukab‎; rukbāt	الرُّكَب‎; الرُّكْبَات ar-rukab‎; ar-rukbāt	رُكَب‎; رُكْبَات rukab‎; rukbāt
Nominative	رُكَبٌ‎; رُكْبَاتٌ rukabun‎; rukbātun	الرُّكَبُ‎; الرُّكْبَاتُ ar-rukabu‎; ar-rukbātu	رُكَبُ‎; رُكْبَاتُ rukabu‎; rukbātu
Accusative	رُكَبًا‎; رُكْبَاتٍ rukaban‎; rukbātin	الرُّكَبَ‎; الرُّكْبَاتِ ar-rukaba‎; ar-rukbāti	رُكَبَ‎; رُكْبَاتِ rukaba‎; rukbāti
Genitive	رُكَبٍ‎; رُكْبَاتٍ rukabin‎; rukbātin	الرُّكَبِ‎; الرُّكْبَاتِ ar-rukabi‎; ar-rukbāti	رُكَبِ‎; رُكْبَاتِ rukabi‎; rukbāti

Etymology 2Edit

NounEdit

رَكَبَة • (rakaba) m pl

1. plural of رَاكِب (rākib)