महाभारतः mahābhārataḥ - book-3, chapter-161, verse-8

स्वतेजसा तस्य नगोत्तमस्य महौषधीनां च तथा प्रभावात् ।
विभक्तभावो न बभूव कश्चिदहर्निशानां पुरुषप्रवीर ॥८॥

8. svatejasā tasya nagottamasya; mahauṣadhīnāṁ ca tathā prabhāvāt ,
vibhaktabhāvo na babhūva kaści;daharniśānāṁ puruṣapravīra.

8. svatejasā tasya nagottamasya
mahauṣadhīnām ca tathā prabhāvāt
| vibhaktabhāvaḥ na babhūva
kaścit aharniśānām puruṣapravīra

8. O foremost among men (puruṣa), due to the inherent brilliance of that supreme mountain, and similarly, due to the power of its great potent herbs, no one could distinguish between day and night there.

Words meanings summery:

• स्वतेजसा (svatejasā) - by its own brilliance, by its inherent splendor

• तस्य (tasya) - of that mountain (of that, its)

• नगोत्तमस्य (nagottamasya) - of the best of mountains, of the supreme mountain

• महौषधीनाम् (mahauṣadhīnām) - of great herbs, of potent medicinal plants

• च (ca) - and, also

• तथा (tathā) - thus, similarly, in that way

• प्रभावात् (prabhāvāt) - by the power, due to the influence

• विभक्तभावः (vibhaktabhāvaḥ) - distinct state, separated condition, distinction

• न (na) - not, no

• बभूव (babhūva) - was, became, happened, existed

• कश्चित् (kaścit) - anyone, someone

• अहर्निशानाम् (aharniśānām) - of days and nights, pertaining to day and night

• पुरुषप्रवीर (puruṣapravīra) - O foremost among men (puruṣa), O hero among men

Words meanings and morphology

स्वतेजसा (svatejasā) - by its own brilliance, by its inherent splendor

(noun)

Instrumental, neuter, singular of svatejas

svatejas - one's own splendor, inherent brilliance

Compound type : tatpuruṣa (sva+tejas)

• sva – own, self
  pronoun (neuter)
• tejas – brilliance, splendor, energy, spirit
  noun (neuter)

तस्य (tasya) - of that mountain (of that, its)

(pronoun)

Genitive, masculine, singular of tad

tad - that, it

Note: Agreeing with nagottamasya

नगोत्तमस्य (nagottamasya) - of the best of mountains, of the supreme mountain

(noun)

Genitive, masculine, singular of nagottama

nagottama - best of mountains, supreme mountain

Compound type : tatpuruṣa (naga+uttama)

• naga – mountain, tree
  noun (masculine)
• uttama – best, highest, chief
  adjective (masculine)

महौषधीनाम् (mahauṣadhīnām) - of great herbs, of potent medicinal plants

(noun)

Genitive, feminine, plural of mahauṣadhī

mahauṣadhī - great herb, potent medicinal plant

Compound type : karmadhāraya (mahā+auṣadhī)

• mahā – great, large, mighty
  adjective (feminine)
• auṣadhī – herb, medicinal plant
  noun (feminine)

च (ca) - and, also

(indeclinable)

तथा (tathā) - thus, similarly, in that way

(indeclinable)

प्रभावात् (prabhāvāt) - by the power, due to the influence

(noun)

Ablative, masculine, singular of prabhāva

prabhāva - power, might, influence, splendor

Prefix: pra

Root: bhū (class 1)

विभक्तभावः (vibhaktabhāvaḥ) - distinct state, separated condition, distinction

(noun)

Nominative, masculine, singular of vibhaktabhāva

vibhaktabhāva - separated state, distinct condition, distinction

Compound type : tatpuruṣa (vibhakta+bhāva)

• vibhakta – separated, divided, distinct
  adjective (masculine)
  Past Passive Participle
  Prefix: vi
  Root: bhaj (class 1)
• bhāva – state, condition, existence, nature
  noun (masculine)
  Root: bhū (class 1)

न (na) - not, no

(indeclinable)

बभूव (babhūva) - was, became, happened, existed

(verb)

3rd person , singular, active, Perfect (Lit) of bhū

Root: bhū (class 1)

कश्चित् (kaścit) - anyone, someone

(pronoun)

Nominative, masculine, singular of kaścid

kaścid - anyone, someone, some

अहर्निशानाम् (aharniśānām) - of days and nights, pertaining to day and night

(noun)

Genitive, masculine, plural of aharniśa

aharniśa - day and night

Compound type : dvandva (ahas+niśā)

• ahas – day
  noun (neuter)
• niśā – night
  noun (feminine)

पुरुषप्रवीर (puruṣapravīra) - O foremost among men (puruṣa), O hero among men

(noun)

Vocative, masculine, singular of puruṣapravīra

puruṣapravīra - chief among men, foremost hero (puruṣa)

Compound type : tatpuruṣa (puruṣa+pravīra)

• puruṣa – man, person, primeval cosmic person (puruṣa)
  noun (masculine)
• pravīra – hero, chief, excellent
  noun (masculine)