The name given to the three matres lectionis by traditional Arabic grammar is (, 'consonants of softness and lengthening'), or (, 'causal consonants' or 'consonants of infirmity', because as in Greek grammar, words with 'accidents' were deemed to be afflicted, ill, in opposition to 'healthy' words without accidents).Encyclopedia of Arabic Language and Linguistics, Brill, 2006, 2.308ff.
The name given to .the three matres lectionis by traditional Arabic grammar is (, 'consonants of softness and lengthening'), or (, 'causal consonants' or 'consonants of infirmity', because as in Greek grammar, words with 'accidents' were deemed to be afflicted, ill, in opposition to 'healthy' words without accidents).Encyclopedia of Arabic Language and, Linguistics, B!ril:l, 2.006, 2.308ff.