BhG 18.73

syntax

arjunaḥ (Arjuna) uvāca (he spoke):
he acyuta (O unfailling one!),
[mama] (my) mohaḥ (bewilderment) naṣṭaḥ [asti] (it is destroyed).
tvat prasādāt (from your mercy) mayā (by me) smṛtiḥ (remembrance) labdhā [asti] (it is obtained).
[aham] (I) gata-sandehaḥ (free from doubts) sthitaḥ [asmi] (I am standing).
tava (your) vacanam (words) kariṣye (I will do).

grammar

arjunaḥ	–	arjuna 1n.1 m. – white, clear, Arjuna;
uvāca	–	√vac (to speak) Perf. P 1v.1 – he spoke;
naṣṭaḥ	–	naṣṭa (√naś – to disappear, to be lost, to perish) PP 1n.1 m. – perished, lost;
mohaḥ	–	moha 1n.1 m. –bewilderment, delusion (from: √muh – to become confused, bewildered, stupefied);
smṛtiḥ	–	smṛti 1n.1 f. – remembrance, tradition, sacred texts of tradition (from: √smṛ – to think, to remember);
labdhā	–	labdhā (√labh – to obtain) PP 1n.1 f. – obtained, gained;
tvat-prasādāt	–	tvat-prasāda 5n.1 m.; TP: tava prasādād iti – from your satisfaction (from: tvat – the basic form of a personal ponoun „you” singular used in compounds; pra-√sad – to settle down, to be pleased, to be successful, prasāda – satisfaction, favour, calmness, clearness, success, kindness);
mayā	–	asmat sn. 3n.1 – by me;
acyuta	–	a-cyuta (√cyu – to shake, to fall, to deviate) PP 8n.1 m. – O unfailling one;
sthitaḥ	–	sthita (√sthā – to stand) PP 1n.1 m. – situated, standing;
asmi	–	√as (to be) Praes. P 3v.1 – I am;
gata-saṁdehaḥ	–	gata-saṁdeha 1n.1 m.; BV: yasya sandeho gato ‘sti saḥ – whose doubt is gone (from: √gam – to go, PP gata – gone; sam-√dih – to doubt, saṁdeha – doubt, uncertainty);
kariṣye	–	√kṛ (to do) Fut. Ā 3v.1 – I will do;
vacanam	–	vacana 2n.1 n. – speech (from: √vac – to speak);
tava	–	yuṣmat sn. 6n.1 m. – your;

textual variants

arjuna uvāca → dhanaṁjaya uvāca (Dhanaṁjaya spoke);
gata-sandehaḥ → gata-saṁmohaḥ (whose bewilderment is gone);

Śāṃkara

naṣṭo moho’jñāna-jaḥ samasta-saṃsārānartha-hetuḥ, sāgara iva duruttaraḥ | smṛtiś cātma-tattva-viṣayā labdhā, yasyā lābhāt sarva-hṛdaya-granthīnāṃ vipramokṣaḥ | tvat-prasādāt tava prasādān mayā tvat-prasādam āśritena | acyuta | anena moha-nāśa-praśna-prativacanena sarva-śāstrārtha-jñāna-phalam etāvad eveti niścitaṃ darśitaṃ bhavati, yato jñānān moha-nāśa ātma-smṛti-lābhaś ceti | tathā ca śrutau anātmavic chocāmi ity upanyasyātma-jñānena sarva-granthīnāṃ vipramokṣa uktaḥ | bhidyate hṛdaya-granthis [mu.u. 2.2.8] iti, tatra ko mohaḥ kaḥ śokaḥ ekatvam anupaśyataḥ [ī.u. 7] iti ca mantra-varṇaḥ | athedānīṃ tvac-chāsane sthito’smi gata-saṃdeho mukta-saṃśayaḥ | kariṣye vacanaṃ tava | ahaṃ tvat-prasādāt kṛtārthaḥ, na me kartavyam astīty abhiprāyaḥ

Rāmānuja

mohaḥ viparītajñānam / tvatprasādān mama tad vinaṣṭam / smṛtiḥ yathāvasthitatattvajñānam / tvatprasādād eva tac ca labdham / anātmani prakṛtau ātmābhimānarūpo mohaḥ, paramapuruṣaśarīratayā tadātmakasya kṛtsnasya cidacidvastunaḥ atadātmābhimānarūpaś ca, nityanaimittikarūpasya karmaṇaḥ paramapuruṣārādhanatayā tatprāptyupāyabhūtasya bandhakatvabuddhirūpaś ca sarvo vinaṣṭaḥ / ātmanaḥ prakṛtivilakṣaṇatvatatsvabhāvarahitatājñātṛtvaikasvabhāvatāparamapuruṣaśeṣatātanniyāmyatvaikasvarūpatājñānam, nikhilajagadudbhavasthitipralayalīlāśeṣadoṣapratyanīkakalyāṇaikasvarūpasvābhāvikānavadhikātiśayajñānabalāiśvaryavīryaśaktitejaḥprabhṛtisamastakalyāṇaguṇagaṇamahārṇavaparabrahmaśabdābhidheyaparamapuruṣayāthātmyajñānaṃ ca, evaṃrūpaparāvaratattvayāthātmyavijñānatadabhyāsapūrvakāharaharupacīyamānaparamapuruṣaprītyekaphalanityanaimittikakarmaniṣiddhaparihāraśamadamādyātmaguṇanivartyabhaktirūpatāpannaparamapuruṣopāsanaikalabhyo vedāntavedyaḥ paramapuruṣo vāsudevas tvam iti jñānaṃ ca labdham / tataś ca bandhasnehakāruṇyapravṛddhaviparītajñānamūlāt sarvasmād avasādād vimukto gatasaṃdehaḥ svasthaḥ sthito ‚smi / idānīm eva yuddhādikartavyatāviṣayam tava vacanaṃ kariṣyati yathoktaṃ yuddhādikaṃ kariṣyati ityarthaḥ

Śrīdhara

kṛtārthaḥ sann arjuna uvāca naṣṭa iti | ātma-viṣaye moho naṣṭaḥ yato ‚yam aham asmīti svarūpānusandhāna-rūpā smṛtis tvat-prasādān mayā labdhā | ataḥ sthito ‚smi yuddhāyotthito ‚smi, gataḥ dharma-viṣayaḥ sandeho yasya so ‚haṃ tava ājñāṃ kariṣye iti

Viśvanātha

kim ataḥ paraṃ pṛcchāmy ahaṃ tu sarva-dharmān parityajya tvāṃ śaraṇaṃ gato niścinta eva tvayi viśrambhavān asmīty āha naṣṭa iti | kariṣya ity ataḥ paraṃ śaraṇasya tavājñāyāṃ sthitir eva śaraṇāpannasya mama dharmaḥ | na tu svāśrama-dharmo na tu jñāna-yogādaraḥ | te tv adyārabhya tyaktvā eva | tataś ca bhoḥ priyasakha arjuna mama bhū-bhāra-haraṇe kiñcid avaśiṣṭaṃ kṛtyam asti | tat tu tad-dvāraiva cikīrṣāmīti bhagavatokte gati gāṇḍīva-pāṇir arjuno yoddhum udatiṣṭhād iti

Baladeva

evaṃ pṛṣṭaḥ pārthaḥ śāstrānubhavaṃ phala-dvāreṇāha naṣṭa iti | moho viparīta-jñāna-lakṣaṇaḥ mama naṣṭas tvat-prasādād eva smṛtiś ca yathāvasthita-vastu-niṣṭhayā mayā labdhā | ahaṃ gata-sandehaś chinna-saṃśayaḥ sthito ‚dhunāsmi | tava vacanaṃ kariṣye | etad uktaṃ bhavati – deva-mānavādayo nikhilāḥ prāṇinaḥ sarve sva-sva-karmasu svatantrā dehābhimānino māna-vairarcitā devās tebhyo ‚bhīṣṭa-pradāḥ | yas tv īśvaraḥ ko ‚py asti | sa hi nirguṇo nirākṛtir udāsīnas tat-sannidhānāt prakṛtir jagad-dhetur ity evaṃ viparīta-jñāna-lakṣaṇo yo mohaḥ pūrvaṃ mamābhūt | sa tvad-upalabdhād upadeśād vinaṣṭaḥ | parākhya-svarūpa-śaktimān vijñānānanda-mūrtiḥ sārvajñya-sārvaiśvarya-satya-saṅkalpādi-guṇa-ratnākaro bhakta-suhṛt sarveśvaraḥ prakṛti-jīva-kālākhya-śaktibhiḥ saṅkalpa-mātreṇa jīva-karmānuguṇo vicitra-sarga-kṛt sva-bhaktebhyaḥ sva-paryanta-sarva-prado ‚kiñcana-bhakta-vittaḥ | sa ca tvam eva mat-sakho vasudeva-sūnur iti tāttvikaṃ jñānaṃ mamābhūt | ataḥ paraṃ tvām ahaṃ prapannaḥ sthito ‚smi | tvaṃ māṃ kadācid api na tyakṣyasīti sandehaś ca me chinnaḥ | atha bhūbhāra-haraṇaṃ sva-prayojanaṃ cet prapannena mayā cikīrṣitaṃ tarhi tad-vacanaṃ tava kariṣyāmīty arjuno dhanuḥ-pāṇir udatiṣṭhad iti