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2. Regressive assimilation.
त् अग्गे (आग्नेय), दवग्गि (दवाग्नि.) प मुक्त्त मुक्क (मुक्त) अन्तस्था-अक्खाण (आख्यान ); अन्न (अन्य ); कलनु (कला), मुच्चइ (मुच्यते), मिनु
(मित्र), समुजल (समुज्वल), $ 22 Separated by (1) स्वरभक्ति and (2) वर्णोपजन(1) अच्चरिय (आश्चर्य), अरहन्त (अईत ), also अरिहन्त किरिया (क्रिया), किलिट्ठ (विष्ट), किलिन (किलन), किलेस (क्लेश), गरह (गही), सुकिल (शुक्ल)
The vowel is generally determined by the surroundings, e. g. fafo where the g in the original Sk, has determined the facute vowel. But this is often arbitrary; e.g. अरहन्त, अरिहन्त and अरुह all from अर्डन.
(2) वर्णोपजन or addition of a letter, is perhaps a wide name (and should include स्वरभक्ति i.e. separation by or addition of a स्वर.) __ अम्बिल (आम्ल), तम्बिर (ताम्र)
एकमेकम् comes in as ephonic Sandhi-consonant. 823. Special conjuncts are specially treated. ज्ञ becomes ण आण ( आज्ञा)
न नाण (ज्ञान)
न पइन्न (प्रतिज्ञा), सन्न (संज्ञा) क्ष becomes कख अचक्खु (अचक्षु), अक्खय (अक्षय), अन्तरिक्ख (अन्तरिक्ष), इकखण (क्षण),
छ् सच्छ (साक्षात्) , झ् झीण (क्षीण) " (rarely) हूं निहित्त (प्रिक्षिप्त ) ध्य् ॥
झ झाण (ध्यान),संझा (संध्या) ध्व् "
झुणि (ध्वनि), साध्वस (सज्झस) छ अच्छर (अप्सरा) छ मच्छर(मत्सर), वच्छल (वात्सल्य) छ् मच्छ (मत्स्य) भू संभल (संस्म), भरह (स्मरति) म सरइ (स्मरति) महू अम्हार (अस्माकम्)
च्य गिज्झ (गृह) है , भविंभल (विह्वल)
$ 24 Sporadic double consonants-Apbh. shows double consonants where there were none in the original. In many cases they can be explained away as due to the exigencies of metre, in others as due to analogy.
अपरज्जिय (अपराजित), the shortening of आ in परा requires doubling of जि in compensation
अम्भोएं (आभोगेन) where the shortening has caused the doubling अवगणित (अवगणित ) on the analogy of मनिउ, where them is from न्य उप्परि (उपरि) on the analogy of परप्पर, when प्प is legitimate
एकमिक्कु ( एकक) again appears to have compensatory double consonant. The shortening or weakening of g in of necessitates doubling of #. The first ए too is to be regarded short, thus accounting for क. e.g. दलणेकंमल्लु also.
