حجو

6 تَحَاجَوْا حاج حاجى تحاج تحاجوا They tried one another with enigmas : [or proposed enigmas, one to another : or contended, one with another, in proposing an enigma, or enigmas : (see 3:)] from حِجًى [or حِجًا] meaning “ intelligence. ” (Har p. 189.) You say, يَتَحَاجَوْنَ بِأُحْجِيَّةٍ [ They try one another with an enigma : or contend, one with another, in proposing an enigma ]: (S, TA:) التَّحَاجِى signifying التَّدَاعِى. (TA.)