1
1.
(S, Msb, K) عَلَى رُكْبَتَيْهِ, (S, Msb,) aorist
1َ2ُ3َ
and
1َ2ِ3َ
, verbal noun جُثُوُّ and جُثِىُّ, (S, Msb, K,) He sat upon his knees; (K, TA;) for the purpose of contention or disputation, or the like: (TA:) or جثا [and جثى] he kneeled; put himself in a kneeling posture; which is the mode of sitting of him who is contending or disputing: (AZ, Har p. 512:) [or he put down his knees upon the ground and raised his buttocks; i. e. he kneeled with his body and thighs erect, or nearly so : see جَاثٍ:] and جَثَا لِرُكْبَتِهِ
he fell [upon his knee]; and جَثَوْا لِلرُّكَبِ [they fell upon the knees, and sank backwards so as to rest the body upon the keels or upon the left foot bent sideways beneath; for] جُثُوٌّ is the manner of sitting of the
مُتَشَهِّد [in prayer]: (Ham p. 287:) or جَثَا, (K, TA,) verbal noun جَثْوٌ and جُثُوٌ, (TA,) he stood upon the extremities of his toes; (K;) like جَذَا; from which AO reckons it to be formed by substitution [of ث for ذ]; but IJ says that they are two dialect vars. (TA.) Aboo-Thumámeh says,
[I contending, or disputing, with them one time standing, and falling upon my knees when they fell upon their knees]. (Ham p. 287.)أُخَاصِمُهُمْ مَرَّPً قَايءِمًا وَأَجْثُو إِذَا مَا جَثَوْا لِلرُّكَبْ