महाभारतः mahābhārataḥ - book-7, chapter-8, verse-10

अश्मसारमयं नूनं हृदयं सुदृढं मम ।
यच्छ्रुत्वा निहतं द्रोणं शतधा न विदीर्यते ॥१०॥

10. aśmasāramayaṁ nūnaṁ hṛdayaṁ sudṛḍhaṁ mama ,
yacchrutvā nihataṁ droṇaṁ śatadhā na vidīryate.

10. aśmasāramayam nūnam hṛdayam sudṛḍham mama yat
śrutvā nihatam droṇam śatadhā na vidīryate

10. nūnam mama hṛdayam aśmasāramayam sudṛḍham yat
droṇam nihatam śrutvā śatadhā na vidīryate

10. Indeed, my heart must be made of diamond, exceedingly strong, for it does not break into a hundred pieces even after hearing that Droṇa has been slain.

Words meanings summery:

• अश्मसारमयम् (aśmasāramayam) - made of diamond, adamantine, hard as rock

• नूनम् (nūnam) - certainly, indeed, surely

• हृदयम् (hṛdayam) - heart

• सुदृढम् (sudṛḍham) - very firm, exceedingly strong, very hard

• मम (mama) - my, mine

• यत् (yat) - which (neuter nominative)

• श्रुत्वा (śrutvā) - having heard

• निहतम् (nihatam) - slain, killed

• द्रोणम् (droṇam) - Droṇa (accusative)

• शतधा (śatadhā) - in a hundred ways, into a hundred pieces

• न (na) - not, no

• विदीर्यते (vidīryate) - it breaks apart, it splits, it is torn

Words meanings and morphology

अश्मसारमयम् (aśmasāramayam) - made of diamond, adamantine, hard as rock

(adjective)

Nominative, neuter, singular of aśmasāramaya

aśmasāramaya - made of diamond, hard as stone, adamantine

formed from aśman + sāra + maya

Compound type : tatpuruṣa (aśman+sāra+maya)

• aśman – stone, rock, thunderbolt
  noun (masculine)
• sāra – essence, core, strength, diamond
  noun (masculine/neuter)
• maya – made of, consisting of
  suffix
  Kṛt suffix indicating material or abundance

नूनम् (nūnam) - certainly, indeed, surely

(indeclinable)

हृदयम् (hṛdayam) - heart

(noun)

Nominative, neuter, singular of hṛdaya

hṛdaya - heart, mind, soul

सुदृढम् (sudṛḍham) - very firm, exceedingly strong, very hard

(adjective)

Nominative, neuter, singular of sudṛḍha

sudṛḍha - very firm, very strong, exceedingly hard

Compound type : prādi-samāsa (su+dṛḍha)

• su – good, well, very, excellent
  indeclinable
  prefix
• dṛḍha – firm, strong, hard, fixed
  adjective (masculine/feminine/neuter)
  Past Passive Participle
  from root dṛh
  Root: dṛh (class 1)

मम (mama) - my, mine

(pronoun)

Genitive, singular of mad

mad - I, me (first person pronoun)

यत् (yat) - which (neuter nominative)

(pronoun)

Nominative, neuter, singular of yad

yad - which, what (relative pronoun)

श्रुत्वा (śrutvā) - having heard

(indeclinable)

absolutive

formed with suffix -tvā from root śru

Root: śru (class 5)

निहतम् (nihatam) - slain, killed

(adjective)

Accusative, masculine, singular of nihata

nihata - killed, slain, struck down

Past Passive Participle

formed from root han with prefix ni

Prefix: ni

Root: han (class 2)

द्रोणम् (droṇam) - Droṇa (accusative)

(proper noun)

Accusative, masculine, singular of droṇa

droṇa - Droṇa (name of a teacher of the Pāṇḍavas and Kauravas)

शतधा (śatadhā) - in a hundred ways, into a hundred pieces

(indeclinable)

formed from śata with suffix -dhā

न (na) - not, no

(indeclinable)

विदीर्यते (vidīryate) - it breaks apart, it splits, it is torn

(verb)

3rd person , singular, passive, present indicative (Laṭ) of vidīr

passive form of root dṛ with prefix vi, present stem dīrya-

Prefix: vi

Root: dṛ (class 1)