महाभारतः mahābhārataḥ - book-5, chapter-186, verse-29

नावनीतं हि हृदयं विप्राणां शाम्य भार्गव ।
राम राम निवर्तस्व युद्धादस्माद्द्विजोत्तम ।
अवध्यो हि त्वया भीष्मस्त्वं च भीष्मस्य भार्गव ॥२९॥

29. nāvanītaṁ hi hṛdayaṁ viprāṇāṁ śāmya bhārgava ,
rāma rāma nivartasva yuddhādasmāddvijottama ,
avadhyo hi tvayā bhīṣmastvaṁ ca bhīṣmasya bhārgava.

29. na avanītam hi hṛdayam viprāṇām śāmya
bhārgava rāma rāma nivartasva yuddhāt
asmāt dvijottama avadhyaḥ hi tvayā
bhīṣmaḥ tvam ca bhīṣmasya bhārgava

29. bhārgava viprāṇām hṛdayam hi na avanītam
śāmya rāma rāma dvijottama asmāt yuddhāt
nivartasva hi tvayā bhīṣmaḥ avadhyaḥ
ca bhārgava tvam bhīṣmasya [avadhyaḥ]

29. O son of Bhṛgu, the hearts of brāhmins are indeed not to be softened. Be calm! O Rāma, Rāma, O best among the twice-born, desist from this battle! Indeed, Bhīṣma cannot be killed by you, and you, O son of Bhṛgu, cannot be killed by Bhīṣma.

Words meanings summery:

• न (na) - not, no

• अवनीतम् (avanītam) - softened, humbled, brought down

• हि (hi) - indeed, surely, because

• हृदयम् (hṛdayam) - heart, mind, core

• विप्राणाम् (viprāṇām) - of brāhmins, of the wise

• शाम्य (śāmya) - be calm, cease, be quiet

• भार्गव (bhārgava) - O Paraśurāma! (O son of Bhṛgu!)

• राम (rāma) - Paraśurāma (Rāma)

• राम (rāma) - Paraśurāma (Rāma)

• निवर्तस्व (nivartasva) - turn back, desist, return

• युद्धात् (yuddhāt) - from battle, from war

• अस्मात् (asmāt) - from this

• द्विजोत्तम (dvijottama) - O best among brāhmins! (O best among the twice-born!)

• अवध्यः (avadhyaḥ) - not to be killed, inviolable

• हि (hi) - indeed, surely

• त्वया (tvayā) - by you

• भीष्मः (bhīṣmaḥ) - Bhīṣma (name of a Kuru patriarch)

• त्वम् (tvam) - you

• च (ca) - and, also

• भीष्मस्य (bhīṣmasya) - by Bhīṣma (implied with 'avadhyaḥ') (of Bhīṣma)

• भार्गव (bhārgava) - O Paraśurāma! (O son of Bhṛgu!)

Words meanings and morphology

न (na) - not, no

(indeclinable)

अवनीतम् (avanītam) - softened, humbled, brought down

(adjective)

Nominative, neuter, singular of avanīta

avanīta - softened, humbled, brought down

Past Passive Participle

From root 'nī' with upasarga 'ava'

Prefix: ava

Root: nī (class 1)

हि (hi) - indeed, surely, because

(indeclinable)

हृदयम् (hṛdayam) - heart, mind, core

(noun)

Nominative, neuter, singular of hṛdaya

hṛdaya - heart, mind, essence, chest

विप्राणाम् (viprāṇām) - of brāhmins, of the wise

(noun)

Genitive, masculine, plural of vipra

vipra - brāhmin, priest, wise man, inspired

शाम्य (śāmya) - be calm, cease, be quiet

(verb)

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

Root: śam (class 4)

भार्गव (bhārgava) - O Paraśurāma! (O son of Bhṛgu!)

(proper noun)

Vocative, masculine, singular of bhārgava

bhārgava - descendant of Bhṛgu, son of Bhṛgu

राम (rāma) - Paraśurāma (Rāma)

(proper noun)

Vocative, masculine, singular of rāma

rāma - Rāma (name of various mythological figures)

राम (rāma) - Paraśurāma (Rāma)

(proper noun)

Vocative, masculine, singular of rāma

rāma - Rāma (name of various mythological figures)

निवर्तस्व (nivartasva) - turn back, desist, return

(verb)

2nd person , singular, middle, imperative (loṭ) of nivṛt

Prefix: ni

Root: vṛt (class 1)

युद्धात् (yuddhāt) - from battle, from war

(noun)

Ablative, neuter, singular of yuddha

yuddha - battle, fight, war

अस्मात् (asmāt) - from this

(pronoun)

Ablative, neuter, singular of idam

idam - this

द्विजोत्तम (dvijottama) - O best among brāhmins! (O best among the twice-born!)

(compound noun)

Compound type : tatpuruṣa (dvija+uttama)

• dvija – twice-born (a brahmin, kṣatriya, or vaiśya, also a bird or tooth)
  noun (masculine)
• uttama – best, highest, excellent
  adjective

अवध्यः (avadhyaḥ) - not to be killed, inviolable

(adjective)

Nominative, masculine, singular of avadhya

avadhya - not to be killed, invulnerable, inviolable

Gerundive

From root 'vadh' (to strike, kill) with negation 'a' and suffix '-ya'

Root: vadh (class 1)

हि (hi) - indeed, surely

(indeclinable)

त्वया (tvayā) - by you

(pronoun)

Instrumental, singular of yuṣmad

yuṣmad - you

भीष्मः (bhīṣmaḥ) - Bhīṣma (name of a Kuru patriarch)

(proper noun)

Nominative, masculine, singular of bhīṣma

bhīṣma - Bhīṣma (name of a legendary warrior)

त्वम् (tvam) - you

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you

च (ca) - and, also

(indeclinable)

भीष्मस्य (bhīṣmasya) - by Bhīṣma (implied with 'avadhyaḥ') (of Bhīṣma)

(proper noun)

Genitive, masculine, singular of bhīṣma

bhīṣma - Bhīṣma (name of a legendary warrior)

Note: Used here with an implied 'avadhyaḥ' to mean 'by Bhīṣma'

भार्गव (bhārgava) - O Paraśurāma! (O son of Bhṛgu!)

(proper noun)

Vocative, masculine, singular of bhārgava

bhārgava - descendant of Bhṛgu, son of Bhṛgu