महाभारतः mahābhārataḥ - book-3, chapter-176, verse-3

पाण्डवो भीमसेनोऽहं धर्मराजादनन्तरः ।
नागायुतसमप्राणस्त्वया नीतः कथं वशम् ॥३॥

3. pāṇḍavo bhīmaseno'haṁ dharmarājādanantaraḥ ,
nāgāyutasamaprāṇastvayā nītaḥ kathaṁ vaśam.

3. pāṇḍavaḥ bhīmasenaḥ aham dharmarājāt anantaraḥ
nāgāyutasamaprāṇaḥ tvayā nītaḥ katham vaśam

3. I am Bhīmasena, the Pāṇḍava, next after Yudhiṣṭhira, the King of Righteousness (dharma). How have I, possessing the strength of ten thousand elephants, been brought under your control?

Words meanings summery:

• पाण्डवः (pāṇḍavaḥ) - Bhīmasena, one of the five Pāṇḍava brothers (son of Pāṇḍu, a Pāṇḍava)

• भीमसेनः (bhīmasenaḥ) - Bhīmasena, the second of the Pāṇḍava brothers (one whose army is formidable, Bhīmasena)

• अहम् (aham) - the speaker (Bhīmasena) (I)

• धर्मराजात् (dharmarājāt) - from Yudhiṣṭhira, the eldest Pāṇḍava and King of Righteousness (dharma) (from the king of righteousness, from Yudhiṣṭhira)

• अनन्तरः (anantaraḥ) - next in succession/order (after Dharmarāja) (next, immediate, following)

• नागायुतसमप्राणः (nāgāyutasamaprāṇaḥ) - refers to Bhīmasena's immense strength (one whose strength is equal to ten thousand elephants)

• त्वया (tvayā) - by the addressee (the entity controlling Bhīmasena) (by you)

• नीतः (nītaḥ) - brought under control (led, brought, carried)

• कथम् (katham) - expressing astonishment and inquiry (how, in what manner)

• वशम् (vaśam) - into a state of submission or control (under control, into power)

Words meanings and morphology

पाण्डवः (pāṇḍavaḥ) - Bhīmasena, one of the five Pāṇḍava brothers (son of Pāṇḍu, a Pāṇḍava)

(noun)

Nominative, masculine, singular of pāṇḍava

pāṇḍava - descendant of Pāṇḍu, a Pāṇḍava

derived from Pāṇḍu

भीमसेनः (bhīmasenaḥ) - Bhīmasena, the second of the Pāṇḍava brothers (one whose army is formidable, Bhīmasena)

(proper noun)

Nominative, masculine, singular of bhīmasena

bhīmasena - Bhīmasena (proper name); lit. having a terrible army

Compound type : tatpurusha (bhīma+senā)

• bhīma – terrible, formidable
  adjective (masculine)
  Root: bhī (class 3)
• senā – army, host
  noun (feminine)

अहम् (aham) - the speaker (Bhīmasena) (I)

(pronoun)

Nominative, singular of aham

aham - I

धर्मराजात् (dharmarājāt) - from Yudhiṣṭhira, the eldest Pāṇḍava and King of Righteousness (dharma) (from the king of righteousness, from Yudhiṣṭhira)

(proper noun)

Ablative, masculine, singular of dharmarāja

dharmarāja - king of righteousness, Yama (god of death and dharma), Yudhiṣṭhira

Compound type : tatpurusha (dharma+rāja)

• dharma – righteousness, duty, natural law, constitution, intrinsic nature
  noun (masculine)
  Root: dhṛ (class 1)
• rāja – king, ruler
  noun (masculine)
  Root: rāj (class 1)

अनन्तरः (anantaraḥ) - next in succession/order (after Dharmarāja) (next, immediate, following)

(adjective)

Nominative, masculine, singular of anantara

anantara - immediate, next, contiguous, without interval

Compound type : nah-tatpurusha (a+antara)

• a – not, un-, non-
  indeclinable
• antara – interval, space, difference
  noun (neuter)

Note: Qualifies 'aham' implicitly.

नागायुतसमप्राणः (nāgāyutasamaprāṇaḥ) - refers to Bhīmasena's immense strength (one whose strength is equal to ten thousand elephants)

(adjective)

Nominative, masculine, singular of nāgāyutasamaprāṇa

nāgāyutasamaprāṇa - having strength equal to ten thousand elephants

Compound type : bahuvrīhi (nāga+ayuta+sama+prāṇa)

• nāga – elephant, serpent
  noun (masculine)
• ayuta – ten thousand
  numeral (neuter)
• sama – equal, similar
  adjective (masculine)
• prāṇa – life-breath, vital energy, strength
  noun (masculine)
  Prefix: pra
  Root: prāṇ (class 2)

Note: Qualifies 'aham' implicitly.

त्वया (tvayā) - by the addressee (the entity controlling Bhīmasena) (by you)

(pronoun)

Instrumental, singular of yuṣmad

yuṣmad - you

नीतः (nītaḥ) - brought under control (led, brought, carried)

(adjective)

Nominative, masculine, singular of nīta

nīta - led, guided, brought, taken

Past Passive Participle

from root nī (to lead)

Root: nī (class 1)

कथम् (katham) - expressing astonishment and inquiry (how, in what manner)

(indeclinable)

Note: Interrogative adverb.

वशम् (vaśam) - into a state of submission or control (under control, into power)

(noun)

Accusative, masculine, singular of vaśa

vaśa - will, power, control, subjection

Note: Used with nītaḥ to mean 'brought under control'.