महाभारतः mahābhārataḥ - book-7, chapter-158, verse-56

वध्यमानेषु चास्त्रेषु पीडितः सूतनन्दनः ।
वासवीं समरे शक्तिं ध्रुवं मुञ्चेद्युधिष्ठिर ॥५६॥

56. vadhyamāneṣu cāstreṣu pīḍitaḥ sūtanandanaḥ ,
vāsavīṁ samare śaktiṁ dhruvaṁ muñcedyudhiṣṭhira.

56. vadhya-māṇeṣu ca astreṣu pīḍitaḥ sūtanandanaḥ
vāsavīm samare śaktim dhruvam muñcet yudhiṣṭhira

56. yudhiṣṭhira,
ca astreṣu vadhya-māṇeṣu pīḍitaḥ sūtanandanaḥ dhruvam vāsavīm śaktim samare muñcet

56. And when his weapons are being countered, the son of the charioteer (Karna), being tormented, would surely unleash the Vāsavī missile (śakti) in battle, O Yudhishthira.

Words meanings summery:

• वध्य-माणेषु (vadhya-māṇeṣu) - when (his) weapons are being countered/destroyed (in those being destroyed, when being vanquished)

• च (ca) - and, also

• अस्त्रेषु (astreṣu) - in/among weapons

• पीडितः (pīḍitaḥ) - afflicted, tormented, oppressed

• सूतनन्दनः (sūtanandanaḥ) - Karna, the son of the charioteer (son of a charioteer)

• वासवीम् (vāsavīm) - the missile belonging to Indra, given to Karna (relating to Vasu/Indra, Indra's)

• समरे (samare) - in battle, in conflict

• शक्तिम् (śaktim) - the Vāsavī missile (śakti) (power, strength, missile)

• ध्रुवम् (dhruvam) - surely, certainly, firm

• मुञ्चेत् (muñcet) - he would release, he would unleash

• युधिष्ठिर (yudhiṣṭhira) - O Yudhishthira

Words meanings and morphology

वध्य-माणेषु (vadhya-māṇeṣu) - when (his) weapons are being countered/destroyed (in those being destroyed, when being vanquished)

(adjective)

Locative, neuter, plural of vadhyamāṇa

vadhyamāṇa - being killed, being destroyed, being vanquished

Present Passive Participle

Formed from root vadh (to kill, strike, destroy) with the māṇa suffix

Root: vadh (class 1)

च (ca) - and, also

(indeclinable)

अस्त्रेषु (astreṣu) - in/among weapons

(noun)

Locative, neuter, plural of astra

astra - weapon, missile

पीडितः (pīḍitaḥ) - afflicted, tormented, oppressed

(adjective)

Nominative, masculine, singular of pīḍita

pīḍita - afflicted, distressed, tormented

Past Passive Participle

Formed from root pīḍ (to oppress, torment)

Root: pīḍ (class 10)

सूतनन्दनः (sūtanandanaḥ) - Karna, the son of the charioteer (son of a charioteer)

(proper noun)

Nominative, masculine, singular of sūtanandana

sūtanandana - son of a charioteer (an epithet of Karna)

Compound type : Tatpuruṣa (sūta+nandana)

• sūta – charioteer, bard
  noun (masculine)
• nandana – son, delighting
  noun (masculine)

वासवीम् (vāsavīm) - the missile belonging to Indra, given to Karna (relating to Vasu/Indra, Indra's)

(adjective)

Accusative, feminine, singular of vāsavī

vāsavī - belonging to Vasu or Indra

Feminine form of Vāsava, an epithet of Indra

समरे (samare) - in battle, in conflict

(noun)

Locative, masculine, singular of samara

samara - battle, war, conflict

शक्तिम् (śaktim) - the Vāsavī missile (śakti) (power, strength, missile)

(noun)

Accusative, feminine, singular of śakti

śakti - power, strength, energy; a divine missile

From root śak (to be able)

Root: śak (class 5)

ध्रुवम् (dhruvam) - surely, certainly, firm

(indeclinable)

Accusative neuter singular used adverbially

मुञ्चेत् (muñcet) - he would release, he would unleash

(verb)

3rd person , singular, active, optative (liṅ) of muc

Optative 3rd Singular

Parasmaipada, 3rd person singular

Root: muc (class 6)

युधिष्ठिर (yudhiṣṭhira) - O Yudhishthira

(proper noun)

Vocative, masculine, singular of yudhiṣṭhira

yudhiṣṭhira - Yudhishthira (proper name, 'firm in battle')

Compound: yudhi (in battle) + sthira (firm)

Compound type : Aluk-Tatpuruṣa (yudhi+sthira)

• yudhi – in battle
  noun (feminine)
  Locative of yudh (battle)
• sthira – firm, steady, stable
  adjective (masculine)
  Root: sthā (class 1)