महाभारतः mahābhārataḥ - book-1, chapter-56, verse-13

इदं शतसहस्रं हि श्लोकानां पुण्यकर्मणाम् ।
सत्यवत्यात्मजेनेह व्याख्यातममितौजसा ॥१३॥

13. idaṁ śatasahasraṁ hi ślokānāṁ puṇyakarmaṇām ,
satyavatyātmajeneha vyākhyātamamitaujasā.

13. idaṃ śatasahasraṃ hi ślokānāṃ puṇyakarmaṇām
satyavatyātmajena iha vyākhyātaṃ amitaujasā

13. Indeed, these hundred thousand verses, which describe acts of merit, have been expounded here by the immensely powerful son of Satyavatī.

Words meanings summery:

• इदं (idaṁ) - this (scripture/work) (this)

• शतसहस्रं (śatasahasraṁ) - one hundred thousand (verses) (hundred thousand)

• हि (hi) - indeed (indeed, surely, because)

• श्लोकानां (ślokānāṁ) - of verses (of verses, of stanzas)

• पुण्यकर्मणाम् (puṇyakarmaṇām) - of meritorious deeds (or persons performing them) (of meritorious deeds, of righteous actions, of virtuous people)

• सत्यवत्यात्मजेन (satyavatyātmajena) - by the son of Satyavatī (Vyāsa) (by the son of Satyavatī)

• इह (iha) - here (in this work/context) (here, in this world, in this case)

• व्याख्यातं (vyākhyātaṁ) - expounded, narrated (referring to the scripture) (explained, expounded, narrated)

• अमितौजसा (amitaujasā) - by the immensely powerful one (Vyāsa) (by the one of immeasurable energy/power)

Words meanings and morphology

इदं (idaṁ) - this (scripture/work) (this)

(pronoun)

neuter, singular of idam

idam - this, here

Note: Matches nominative singular neuter or accusative singular neuter. In context, it is the subject.

शतसहस्रं (śatasahasraṁ) - one hundred thousand (verses) (hundred thousand)

(noun)

neuter, singular of śatasahasra

śatasahasra - one hundred thousand

Compound type : tatpuruṣa (śata+sahasra)

• śata – hundred
  noun (neuter)
• sahasra – thousand
  noun (neuter)

Note: Nominative/accusative singular, modifying 'idam'.

हि (hi) - indeed (indeed, surely, because)

(indeclinable)

श्लोकानां (ślokānāṁ) - of verses (of verses, of stanzas)

(noun)

Genitive, masculine, plural of śloka

śloka - verse, stanza, fame, sound

Root: śru (class 5)

Note: Genitive plural, describing what the hundred thousand are composed of.

पुण्यकर्मणाम् (puṇyakarmaṇām) - of meritorious deeds (or persons performing them) (of meritorious deeds, of righteous actions, of virtuous people)

(adjective)

Genitive, masculine/neuter, plural of puṇyakarman

puṇyakarman - performing good deeds, having good deeds, meritorious act

Compound type : karmadhāraya/bahuvrīhi (puṇya+karman)

• puṇya – meritorious, virtuous, sacred, good
  adjective (neuter)
• karman – action, deed, work, ritual
  noun (neuter)
  Root: kṛ (class 8)

Note: Genitive plural, agreeing with 'ślokānām', meaning 'of verses (relating to) meritorious deeds'.

सत्यवत्यात्मजेन (satyavatyātmajena) - by the son of Satyavatī (Vyāsa) (by the son of Satyavatī)

(noun)

Instrumental, masculine, singular of satyavatyātmaja

satyavatyātmaja - son of Satyavatī

Compound type : tatpuruṣa (satyavatī+ātmaja)

• satyavatī – Satyavatī (name of Vyāsa's mother)
  noun (feminine)
• ātmaja – son, born of oneself
  noun (masculine)
  From ātman (self) + ja (born).
  Root: jan (class 4)

Note: Instrumental singular, indicating the agent of 'vyākhyātaṃ'.

इह (iha) - here (in this work/context) (here, in this world, in this case)

(indeclinable)

व्याख्यातं (vyākhyātaṁ) - expounded, narrated (referring to the scripture) (explained, expounded, narrated)

(nominal form)

neuter, singular of vyākhyāta

vyākhyāta - explained, expounded, declared, known

past passive participle

from root khyā with prefixes vi and ā

Prefixes: vi+ā

Root: khyā (class 2)

Note: Modifies 'idaṃ śatasahasraṃ'.

अमितौजसा (amitaujasā) - by the immensely powerful one (Vyāsa) (by the one of immeasurable energy/power)

(adjective)

Instrumental, masculine, singular of amitaujas

amitaujas - having immeasurable splendor/power/energy

Compound type : bahuvrīhi (amita+ojas)

• amita – unmeasured, immeasurable, infinite
  adjective
  past passive participle (from mā, to measure)
  Prefix: a
  Root: mā (class 2)
• ojas – power, energy, splendor, might
  noun (neuter)
  Root: uj (class 6)

Note: Instrumental singular, agreeing with 'satyavatyātmajena'.