महाभारतः mahābhārataḥ - book-12, chapter-124, verse-13

दृष्ट्वा तां पाण्डवेयानामृद्धिमिन्द्रोपमां शुभाम् ।
अमित्राणां सुमहतीमनुशोचामि मानद ॥१३॥

13. dṛṣṭvā tāṁ pāṇḍaveyānāmṛddhimindropamāṁ śubhām ,
amitrāṇāṁ sumahatīmanuśocāmi mānada.

13. dṛṣṭvā tām pāṇḍaveyānām ṛddhim indropamām
śubhām amitrāṇām sumahatīm anuśocāmi mānada

13. mānada pāṇḍaveyānām tām śubhām indropamām
amitrāṇām sumahatīm ṛddhim dṛṣṭvā anuśocāmi

13. Having seen that auspicious and Indra-like prosperity of the Pāṇḍavas—a prosperity that is exceedingly vast for their adversaries—I lament, O bestower of honor.

Words meanings summery:

• दृष्ट्वा (dṛṣṭvā) - Having seen (having seen, after seeing)

• ताम् (tām) - that (that (feminine accusative))

• पाण्डवेयानाम् (pāṇḍaveyānām) - of the Pāṇḍavas (of the sons of Pāṇḍu, of the Pāṇḍavas)

• ऋद्धिम् (ṛddhim) - prosperity (prosperity, success, abundance, growth)

• इन्द्रोपमाम् (indropamām) - Indra-like (comparable to Indra, like Indra)

• शुभाम् (śubhām) - auspicious (auspicious, beautiful, splendid)

• अमित्राणाम् (amitrāṇām) - for their adversaries (of enemies, of foes)

• सुमहतीम् (sumahatīm) - exceedingly vast (very great, exceedingly vast)

• अनुशोचामि (anuśocāmi) - I lament (I grieve after, I lament, I mourn)

• मानद (mānada) - O bestower of honor (O bestower of honor, O giver of respect)

Words meanings and morphology

दृष्ट्वा (dṛṣṭvā) - Having seen (having seen, after seeing)

(indeclinable)

Absolutive/Gerund

Formed with suffix tvā.

Root: √dṛś (class 1)

ताम् (tām) - that (that (feminine accusative))

(pronoun)

Accusative, feminine, singular of tad

tad - that, she, it

Note: Refers to ṛddhim.

पाण्डवेयानाम् (pāṇḍaveyānām) - of the Pāṇḍavas (of the sons of Pāṇḍu, of the Pāṇḍavas)

(proper noun)

Genitive, masculine, plural of pāṇḍaveya

pāṇḍaveya - a son of Pāṇḍu, a Pāṇḍava

Derivative of Pāṇḍu with suffix ḍheya.

Note: Possessive, 'of the Pāṇḍavas'.

ऋद्धिम् (ṛddhim) - prosperity (prosperity, success, abundance, growth)

(noun)

Accusative, feminine, singular of ṛddhi

ṛddhi - prosperity, success, accomplishment, abundance, wealth

From √ṛdh (to grow, to prosper).

Root: √ṛdh (class 4)

इन्द्रोपमाम् (indropamām) - Indra-like (comparable to Indra, like Indra)

(adjective)

Accusative, feminine, singular of indropama

indropama - comparable to Indra, like Indra, having Indra as a comparison

Compound of indra and upama.

Compound type : tatpurusha (indra+upama)

• indra – Indra (king of gods)
  proper noun (masculine)
• upama – likeness, comparison, similar
  noun/adjective (feminine)
  Prefix: upa

शुभाम् (śubhām) - auspicious (auspicious, beautiful, splendid)

(adjective)

Accusative, feminine, singular of śubhā

śubha - auspicious, beautiful, splendid, pure, good

Root: √śubh (class 1)

अमित्राणाम् (amitrāṇām) - for their adversaries (of enemies, of foes)

(noun)

Genitive, masculine, plural of amitra

amitra - enemy, foe, not a friend

Negative compound a + mitra.

Compound type : nañ-tatpurusha (a+mitra)

• a – not, un-
  indeclinable
  negative prefix
• mitra – friend, companion
  noun (masculine/neuter)

Note: Indicates the group for whom the prosperity is sumahatīm.

सुमहतीम् (sumahatīm) - exceedingly vast (very great, exceedingly vast)

(adjective)

Accusative, feminine, singular of sumahatī

sumahat - very great, exceedingly large/powerful

Compound of su (good, very) and mahat (great).

Compound type : karmadhāraya (su+mahat)

• su – good, well, very, excellent
  indeclinable
  prefix intensifying meaning
• mahat – great, large, vast, mighty
  adjective (neuter)

अनुशोचामि (anuśocāmi) - I lament (I grieve after, I lament, I mourn)

(verb)

1st person , singular, active, present indicative (laṭ) of anu-√śuc

Present active

From anu-√śuc (class 1, anuśocati).

Prefix: anu

Root: √śuc (class 1)

मानद (mānada) - O bestower of honor (O bestower of honor, O giver of respect)

(noun)

Vocative, masculine, singular of mānada

mānada - giving honor, bestowing respect, a bestower of honor

Agent noun

Compound of māna (honor) and da (giver, from √dā).

Compound type : upapada tatpurusha (māna+da)

• māna – honor, respect, pride
  noun (masculine/neuter)
  Root: √man (class 4)
• da – giver, bestower
  adjective/noun (masculine)
  Agent noun
  From √dā with ka suffix (kṛt pratyaya)
  Root: √dā (class 3)

Note: Common address in epics, here by Duryodhana to Dhṛtarāṣṭra.