महाभारतः mahābhārataḥ - book-1, chapter-130, verse-20

विनिद्रकरणं घोरं हृदि शल्यमिवार्पितम् ।
शोकपावकमुद्भूतं कर्मणैतेन नाशय ॥२०॥

20. vinidrakaraṇaṁ ghoraṁ hṛdi śalyamivārpitam ,
śokapāvakamudbhūtaṁ karmaṇaitena nāśaya.

20. vinidrakaraṇam ghoram hṛdi śalyam iva arpitam
śokapāvakam udbhūtam karmaṇā etena nāśaya

20. Destroy with this action (karma) the dreadful, sleep-depriving agony, which is like an arrow (śalya) lodged in the heart, and the sorrow-fire that has flared up.

Words meanings summery:

• विनिद्रकरणम् (vinidrakaraṇam) - sleep-depriving (that which causes sleeplessness, sleep-depriving)

• घोरम् (ghoram) - dreadful (dreadful, terrifying, fierce)

• हृदि (hṛdi) - in the heart

• शल्यम् (śalyam) - arrow-like pain (arrow, dart, spear, thorn, pain)

• इव (iva) - like, as, as it were

• अर्पितम् (arpitam) - lodged (placed, delivered, offered, fixed)

• शोकपावकम् (śokapāvakam) - sorrow-fire, fire of grief

• उद्भूतम् (udbhūtam) - flared up (arisen, produced, manifest)

• कर्मणा (karmaṇā) - by this action (karma) (by action, by deed, by ritual)

• एतेन (etena) - by this

• नाशय (nāśaya) - destroy, cause to perish

Words meanings and morphology

विनिद्रकरणम् (vinidrakaraṇam) - sleep-depriving (that which causes sleeplessness, sleep-depriving)

(adjective)

Accusative, neuter, singular of vinidrakaraṇa

vinidrakaraṇa - causing sleeplessness, sleep-depriving

adjective formed from 'vinidra' (sleepless) and 'karaṇa' (making/causing)

Compound type : tatpuruṣa (vinidra+karaṇa)

• vi – without, separation, distinct
  indeclinable
• nidra – sleep, slumber
  noun (feminine)
• karaṇa – making, causing, instrument, action
  noun (neuter)
  derived from root kṛ (to do/make)
  Root: kṛ (class 8)

Note: Agrees with śalyam and śokapāvakam.

घोरम् (ghoram) - dreadful (dreadful, terrifying, fierce)

(adjective)

Accusative, neuter, singular of ghora

ghora - dreadful, terrifying, fierce, formidable

Note: Agrees with śalyam and śokapāvakam.

हृदि (hṛdi) - in the heart

(noun)

Locative, neuter, singular of hṛd

hṛd - heart, mind, breast, core

शल्यम् (śalyam) - arrow-like pain (arrow, dart, spear, thorn, pain)

(noun)

Accusative, neuter, singular of śalya

śalya - dart, arrow, spear, thorn, a piece of metal, pain, agony

Root: śal

Note: Object of nāśaya.

इव (iva) - like, as, as it were

(indeclinable)

अर्पितम् (arpitam) - lodged (placed, delivered, offered, fixed)

(adjective)

Accusative, neuter, singular of arpita

arpita - placed, delivered, offered, fixed, entrusted

Past Passive Participle

derived from root ṛ (to go, move) with prefix ā

Prefix: ā

Root: ṛ (class 3)

Note: Agrees with śalyam.

शोकपावकम् (śokapāvakam) - sorrow-fire, fire of grief

(noun)

Accusative, masculine, singular of śokapāvaka

śokapāvaka - fire of sorrow, grief-fire

Compound type : tatpuruṣa (śoka+pāvaka)

• śoka – sorrow, grief, lamentation
  noun (masculine)
  Root: śuc (class 1)
• pāvaka – fire, purifier, digestive
  noun (masculine)
  derived from root pū (to purify)
  Root: pū (class 1)

Note: Object of nāśaya.

उद्भूतम् (udbhūtam) - flared up (arisen, produced, manifest)

(adjective)

Accusative, neuter, singular of udbhūta

udbhūta - arisen, produced, manifest, sprung forth

Past Passive Participle

derived from root bhū (to be, become) with prefix ud

Prefix: ud

Root: bhū (class 1)

Note: Agrees with śokapāvakam.

कर्मणा (karmaṇā) - by this action (karma) (by action, by deed, by ritual)

(noun)

Instrumental, neuter, singular of karma

karma - action, deed, work, ritual, fate, consequence of actions

derived from root kṛ (to do, make)

Root: kṛ (class 8)

एतेन (etena) - by this

(pronoun)

Instrumental, neuter, singular of etad

etad - this, this one

Note: Agrees with karmaṇā.

नाशय (nāśaya) - destroy, cause to perish

(verb)

2nd person , singular, active, imperative (loṭ) of nāśay

Causal form of naś

Causal stem nāśay from root naś (to perish).

Root: naś (class 4)