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304: Anga Sahitya: Manana Aura Mimansa
In the same way uddhamthāṇam, uddhampada, uddhamvaya. uddhagami and some words with this characters are found sporadically in the Amga literature.
In the language of the Amga literature the o is derived from some other sources. Generally Sanskrit o is preserved as the same in Ardhamågadhi. But other sources are as the prefix ava, u and the diphthong au. Some examples are -avatirņa ) oinna (Nă 1.1.160), avakāśa, okāsa (Pan 9.9), avakirna » okinna (Nā, 1.5.25), avaskanda >okhamda (Pan 2.12). Likewise some words with the same charac- ; - teristic are found amply in the canons, such as Thåņam, Näyádhammakaha, Vipak, Bhagavati, Uvasagadsă, Panhávägaraņāim and Anuttaraupapatika etc. the words are - ogadha, ogadhaga, ogāha, ogāhana, oggaha, oginhitta and so on. aus o, e.g. audārika) oraliya (Th. 2.155-160, Bh. 1.343, 2.12; Nă 1.2.76, 1.8.180 etc.), aupagrahika ovaggahiya (Bh. 9.46; 68), aupamika) ovamiya (Bh. 6.132, 133), aupamya , ovamma(Th. 4.504, Bh. 5.93, Pan 1.22 etc.), aupapatika; ovavaiya (A. 1.2, 4, 118; Su 1.1.11; Bh 9.157; 13-107 etc.) aupaśamika > ovasamiya (Bh. 14.81,13.16 etc.). Somewhere u becomes o, such as, utsanna osanna (Pan 1.29) utsannadosa > osanna dosa (Bh. 25.604), upaśamya > osaniya (Sü 1.4.6), uśira, osira (Pan 10-18), upahata > ohaya(Bh. 3.126, 128; Nå 1.1.34, 46, 48; Vip 12.14-27. etc.), upagsha.) ohara (Pan 1.12). In all cases regarding the changes of au and u to o is due to a regular phonetic changes occured in Ardhamagadhi and other Prakrits.
Here, in above discussions the phonetic changes of vowels in individual are taken place. Besides these vowels, the phonetic changes of the vowels contracted with the consonant can also be found in the canonical literature. In linguistic point of view the phonetic changes of a vowel have so many reasons and aspects. The quantitative change of a vowel, i.e. shortening and lengthening of a vowel depends on accent. But somewhere the qualitative changes of a vowel take an important place. According to the very regular phonological behaviour the immidiate preceding long vowel of conjunet consonat becomes short and in the same way due to the compensatory lengthening a short vowel can be changed into a long one. In some
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