महाभारतः mahābhārataḥ - book-3, chapter-65, verse-25

अयमाश्वासयाम्येनां पूर्णचन्द्रनिभाननाम् ।
अदृष्टपूर्वां दुःखस्य दुःखार्तां ध्यानतत्पराम् ॥२५॥

25. ayamāśvāsayāmyenāṁ pūrṇacandranibhānanām ,
adṛṣṭapūrvāṁ duḥkhasya duḥkhārtāṁ dhyānatatparām.

25. ayam āśvāsayāmi enām pūrṇacandranibhānanām
adṛṣṭapūrvām duḥkhasya duḥkhārtām dhyānatatparām

25. I shall now console her—the one with a face like the full moon, who had never before experienced sorrow yet is now distressed by it and absorbed in contemplation (dhyāna).

Words meanings summery:

• अयम् (ayam) - this one (the swan, speaker) (this (masculine))

• आश्वासयामि (āśvāsayāmi) - I console (I console, I comfort, I reassure)

• एनाम् (enām) - her (Damayantī) (her, this (feminine))

• पूर्णचन्द्रनिभाननाम् (pūrṇacandranibhānanām) - Damayantī, whose face is like the full moon (having a face like the full moon)

• अदृष्टपूर्वाम् (adṛṣṭapūrvām) - Damayantī, who had not previously experienced (sorrow) (not seen before, not previously experienced)

• दुःखस्य (duḥkhasya) - of sorrow (of sorrow, of pain, of misery)

• दुःखार्ताम् (duḥkhārtām) - Damayantī, distressed by sorrow (distressed by sorrow, suffering from pain)

• ध्यानतत्पराम् (dhyānatatparām) - Damayantī, absorbed in contemplation (dhyāna) (absorbed in contemplation, devoted to meditation (dhyāna))

Words meanings and morphology

अयम् (ayam) - this one (the swan, speaker) (this (masculine))

(pronoun)

Nominative, masculine, singular of idam

idam - this, he, she, it

आश्वासयामि (āśvāsayāmi) - I console (I console, I comfort, I reassure)

(verb)

1st person , singular, active, present (laṭ) of āśvās

Causative form of root śvas- 'to breathe' with prefix ā-

Prefix: ā

Root: śvas (class 2)

एनाम् (enām) - her (Damayantī) (her, this (feminine))

(pronoun)

Accusative, feminine, singular of enad

enad - this, that, she, it

पूर्णचन्द्रनिभाननाम् (pūrṇacandranibhānanām) - Damayantī, whose face is like the full moon (having a face like the full moon)

(adjective)

Accusative, feminine, singular of pūrṇacandranibhānanā

pūrṇacandranibhānanā - having a face like the full moon

Compound of pūrṇa (full), candra (moon), nibha (like, resembling), ānana (face).

Compound type : bahuvrīhi (pūrṇa+candra+nibha+ānana)

• pūrṇa – full, complete
  adjective
  Past Passive Participle
  From root pṛ- 'to fill'
  Root: pṛ (class 9)
• candra – moon
  noun (masculine)
• nibha – like, resembling, similar
  adjective
• ānana – face, mouth
  noun (neuter)

Note: Refers to Damayantī.

अदृष्टपूर्वाम् (adṛṣṭapūrvām) - Damayantī, who had not previously experienced (sorrow) (not seen before, not previously experienced)

(adjective)

Accusative, feminine, singular of adṛṣṭapūrvā

adṛṣṭapūrvā - not seen before, not previously experienced

Compound of a- (negative prefix), dṛṣṭa (seen, experienced, PPP of dṛś-), and pūrva (previous).

Compound type : tatpuruṣa (a+dṛṣṭa+pūrva)

• a – not, un-
  indeclinable
• dṛṣṭa – seen, perceived, experienced
  adjective
  Past Passive Participle
  From root dṛś- 'to see'
  Root: dṛś (class 1)
• pūrva – previous, former
  adjective

Note: Refers to Damayantī. Qualifies 'duḥkhasya'.

दुःखस्य (duḥkhasya) - of sorrow (of sorrow, of pain, of misery)

(noun)

Genitive, neuter, singular of duḥkha

duḥkha - sorrow, pain, misery, unhappiness

Note: Governed by `adṛṣṭapūrvām`.

दुःखार्ताम् (duḥkhārtām) - Damayantī, distressed by sorrow (distressed by sorrow, suffering from pain)

(adjective)

Accusative, feminine, singular of duḥkhārtā

duḥkhārtā - distressed by sorrow, suffering from pain

Compound of duḥkha (sorrow) and ārtā (afflicted, distressed, PPP of root ṛ- 'to go' with ā- prefix).

Compound type : tatpuruṣa (duḥkha+ārtā)

• duḥkha – sorrow, pain, misery
  noun (neuter)
• ārtā – afflicted, distressed, tormented
  adjective (feminine)
  Past Passive Participle
  From root ṛ- 'to go' with prefix ā-
  Prefix: ā
  Root: ṛ (class 1)

Note: Refers to Damayantī.

ध्यानतत्पराम् (dhyānatatparām) - Damayantī, absorbed in contemplation (dhyāna) (absorbed in contemplation, devoted to meditation (dhyāna))

(adjective)

Accusative, feminine, singular of dhyānatatparā

dhyānatatparā - absorbed in contemplation, devoted to meditation (dhyāna)

Compound of dhyāna (meditation) and tatparā (absorbed in, intent on).

Compound type : tatpuruṣa (dhyāna+tatparā)

• dhyāna – meditation, contemplation, thought (dhyāna)
  noun (neuter)
  From root dhyai- 'to contemplate'
  Root: dhyai (class 1)
• tatparā – absorbed in, devoted to, intent on
  adjective (feminine)
  Feminine form of tatpara.

Note: Refers to Damayantī.