महाभारतः mahābhārataḥ - book-12, chapter-22, verse-9

त्यक्त्वा संतापजं शोकं दंशितो भव कर्मणि ।
क्षत्रियस्य विशेषेण हृदयं वज्रसंहतम् ॥९॥

9. tyaktvā saṁtāpajaṁ śokaṁ daṁśito bhava karmaṇi ,
kṣatriyasya viśeṣeṇa hṛdayaṁ vajrasaṁhatam.

9. tyaktvā saṃtāpajam śokam daṃśitaḥ bhava karmaṇi
kṣatriyasya viśeṣeṇa hṛdayam vajrasaṃhatam

9. saṃtāpajam śokam tyaktvā karmaṇi daṃśitaḥ bhava
viśeṣeṇa kṣatriyasya hṛdayam vajrasaṃhatam

9. Having cast off the sorrow born of anguish, be resolute in action (karma). For, a kshatriya's heart, especially, is firm like a thunderbolt (vajra).

Words meanings summery:

• त्यक्त्वा (tyaktvā) - having abandoned, having left

• संतापजम् (saṁtāpajam) - born of anguish/distress

• शोकम् (śokam) - sorrow, grief, lamentation

• दंशितः (daṁśitaḥ) - armored, resolute, equipped

• भव (bhava) - be, become

• कर्मणि (karmaṇi) - in action, in duty (karma)

• क्षत्रियस्य (kṣatriyasya) - of a kshatriya, for a kshatriya

• विशेषेण (viśeṣeṇa) - especially, particularly, by means of distinction

• हृदयम् (hṛdayam) - heart, mind, essence

• वज्रसंहतम् (vajrasaṁhatam) - firm like a thunderbolt, hard as a diamond/vajra

Words meanings and morphology

त्यक्त्वा (tyaktvā) - having abandoned, having left

(indeclinable)

absolutive (gerund)

indeclinable participle (absolutive) of √tyaj (to abandon)

Root: tyaj (class 1)

संतापजम् (saṁtāpajam) - born of anguish/distress

(adjective)

Accusative, neuter, singular of saṃtāpaja

saṁtāpaja - born of distress, caused by anguish

compound of saṃtāpa (anguish) and ja (born)

Compound type : tatpurusha (saṃtāpa+ja)

• saṃtāpa – distress, anguish, burning heat
  noun (masculine)
  from √tap (to heat) with saṃ-
  Prefix: sam
  Root: tap (class 1)
• ja – born, produced from
  adjective (masculine)
  derived from √jan (to be born)
  Root: jan (class 4)

शोकम् (śokam) - sorrow, grief, lamentation

(noun)

Accusative, masculine, singular of śoka

śoka - sorrow, grief, lamentation, anguish

from root √śuc (to grieve)

Root: śuc (class 1)

दंशितः (daṁśitaḥ) - armored, resolute, equipped

(adjective)

Nominative, masculine, singular of daṃśita

daṁśita - armored, equipped, resolute (literally 'bitten' or 'furnished with armor')

Past Passive Participle

Past Passive Participle of √daṃś (to bite, to arm)

Root: daṃś (class 1)

भव (bhava) - be, become

(verb)

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

imperative, active voice

root √bhū, present tense, 2nd person singular, imperative mood

Root: bhū (class 1)

कर्मणि (karmaṇi) - in action, in duty (karma)

(noun)

Locative, neuter, singular of karman

karman - action, deed, duty, work, karma

from root √kṛ (to do)

Root: kṛ (class 8)

क्षत्रियस्य (kṣatriyasya) - of a kshatriya, for a kshatriya

(noun)

Genitive, masculine, singular of kṣatriya

kṣatriya - member of the warrior or ruling class

विशेषेण (viśeṣeṇa) - especially, particularly, by means of distinction

(noun)

Instrumental, masculine, singular of viśeṣa

viśeṣa - distinction, particularity, excellence, specialty

from root √śiṣ (to distinguish) with vi-

Prefix: vi

Root: śiṣ (class 7)

हृदयम् (hṛdayam) - heart, mind, essence

(noun)

Nominative, neuter, singular of hṛdaya

hṛdaya - heart, mind, soul, core

वज्रसंहतम् (vajrasaṁhatam) - firm like a thunderbolt, hard as a diamond/vajra

(adjective)

Nominative, neuter, singular of vajrasaṃhata

vajrasaṁhata - hard as a thunderbolt/diamond, firm, compact

compound of vajra (thunderbolt/diamond) and saṃhata (firm/compact)

Compound type : tatpurusha (vajra+saṃhata)

• vajra – thunderbolt, diamond, weapon of Indra
  noun (masculine)
• saṃhata – firm, compact, struck together
  adjective
  Past Passive Participle
  Past Passive Participle of √han (to strike) with saṃ-
  Prefix: sam
  Root: han (class 2)