लोप given by Pāṇini in the words अदर्शनं लोपः (as based evidently on the Prātiśākhya definition) was explained as non-appearance of a letter or a group of letters where it was expected to have been present. See M. Bh. on I.1.60 Vārt. 4 and Kaiyaṭa thereon.
अदादि name given to the class of roots belonging to the second conjugation, as the roots therein begin with the root अद्. The word अदिप्रभृति is also used in the same sense; cf. अदिप्रभृतिभ्यः शपः p.II. 4.72: cf.also अदाद्यनदाद्योरनदादेरेव given by Hemacandra as a Paribhāṣā corresponding to the maxim लुग्विकरणालुग्विकरणयोरलुग्विकरणस्य Hem. Pari.61.
अदि Uṇādi affix अदि e. g, शरद्, दरद्; cf. शॄदॄभसोsदि; Uṇ. 127;
अदिप्रभृति See अदादि above.
अदुक् aug. अद् added to the word एक before the negative particle न; e.g. एकान्नविंशतिः, एकान्नत्रिंशत् cf. P.VI 3.76.
अदृष्ट not seen properly; doubtful; in- distinct;said with respect to a letter which is not distinctly deciphered in the Saṁhitāpātha: e.g. तन्नः ( R. Saṁh. I. 107. 3 ): the last letter त् of तत् is deciphered in the Pada-pātha which is given as तत्- न: cf. अदृष्टवर्णे प्रथमे चोदकः स्यात् प्रदर्शकः R. Pr. X. 15.
अदोष absence of fault; absence of inconvenience. The expression सोप्यदोषो भवति often occurs in the Mahābhāṣya: cf. MBh. on I. 3.62; I. 4.108, etc.
अद्ङ् substitute for case affixes सु and अम् added to words ending with the affixes डतर and डतम and to the words अन्य, अन्यतर and इतर. cf. P,VII.1.25.
अद्यतनी tech. term of ancient gram- marians signifying in general the present time of the day in question, the occurrence of the immediate past or future events in which is generally expressed by the aorist (लुड्) or the simple future ( लृट् ); the other two corres- ponding tenses imperfect and first future (viz. लड् and लुट्) being used in connection with past and future events respectively, provid- ed the events do not pertain to that day which is in question; cf. 'वा चाद्यतन्याम्' M.Bh. P.III.2.102 Vār.6, वादृतन्याम् P, VI.4.114. Vārt. 3; (2) term for the tense showing immediate past time called लुङ् in Pāṇini's grammar e. g. मायोगे अद्यतनी । मा कार्षीत् Kāt. III. 1.22, Hem. III. 3.11.
अद्रव्यवाचिन् not expressive of any substance which forms a place of residence (of qualities and actions); cf. तथा व्याकरणे विप्रतिषिद्धं चानधिकरण- वाचि ( P. II.4.13 ); इत्यद्रव्यवाचीति गम्यते । M.Bh. on II.1.1.
अद्वियोनि lit. not made up of two elements, and hence, produced with a single effort, an expression used for simple vowels ( समानाक्षर ) such as अ, इ, उ, ऋ, लृ and simple consonants क्, ख्, ग् etc. as distinguished from diphthongs ( सन्ध्यक्षर ) such as ए, ऐ, ओ, औ and conjunct consonants क्व, ध्र , etc. which appear to have been termed द्वियोनि cf. अपृक्तमेकाक्षरमद्वियोनि यत् R.Pr.XI.3.
अद्व्युपसर्गे not preceded by (two or more) prepositions; i. e. preceded by only one preposition. cf. छादेर्घेऽद्व्युपसर्गस्य P.VI.4.96 prescrib- ing short अ for the long अा of the root छाद् before the kṛt. affix घ, eg. प्रच्छदः