महाभारतः mahābhārataḥ - book-1, chapter-43, verse-12

तत्र तस्याः समभवद्गर्भो ज्वलनसंनिभः ।
अतीव तपसा युक्तो वैश्वानरसमद्युतिः ।
शुक्लपक्षे यथा सोमो व्यवर्धत तथैव सः ॥१२॥

12. tatra tasyāḥ samabhavadgarbho jvalanasaṁnibhaḥ ,
atīva tapasā yukto vaiśvānarasamadyutiḥ ,
śuklapakṣe yathā somo vyavardhata tathaiva saḥ.

12. tatra tasyāḥ samabhavat garbhaḥ
jvalanasaṃnibhaḥ atīva tapasā yuktaḥ
vaiśvanarasamadyutiḥ śuklapakṣe
yathā somaḥ vyavardhata tathā eva saḥ

12. There, in her, an embryo was formed, radiant like fire, endowed with immense ascetic power, and brilliant like Vaiśvānara (the universal fire). Just as the moon waxes in the bright fortnight, so too did he grow.

Words meanings summery:

• तत्र (tatra) - in her (referring to the womb) (there, in that place)

• तस्याः (tasyāḥ) - in her (womb) (of her, in her)

• समभवत् (samabhavat) - was formed, took shape (arose, was born, came into being)

• गर्भः (garbhaḥ) - the embryo (embryo, foetus, womb)

• ज्वलनसंनिभः (jvalanasaṁnibhaḥ) - radiant and intense like fire (fire-like, resembling a flame)

• अतीव (atīva) - immensely (exceedingly, very much, extremely)

• तपसा (tapasā) - by ascetic power (by penance, by asceticism, by heat)

• युक्तः (yuktaḥ) - endowed with (ascetic power) (endowed with, joined, associated with)

• वैश्वनरसमद्युतिः (vaiśvanarasamadyutiḥ) - brilliant like Vaiśvānara (the universal fire) (having a radiance equal to Vaiśvānara)

• शुक्लपक्षे (śuklapakṣe) - in the waxing phase of the moon (in the bright fortnight, in the light half of the month)

• यथा (yathā) - just as (as, just as, in what way)

• सोमः (somaḥ) - the moon (moon, Soma (a divine intoxicating drink))

• व्यवर्धत (vyavardhata) - grew (in size and brilliance) (grew, increased)

• तथा (tathā) - so too (so, in that way, thus)

• एव (eva) - so too (emphasizing similarity) (indeed, only, just)

• सः (saḥ) - he (the embryo/child) (he, that)

Words meanings and morphology

तत्र (tatra) - in her (referring to the womb) (there, in that place)

(indeclinable)

तस्याः (tasyāḥ) - in her (womb) (of her, in her)

(pronoun)

Genitive, feminine, singular of tad

tad - that, he, she, it

समभवत् (samabhavat) - was formed, took shape (arose, was born, came into being)

(verb)

3rd person , singular, active, past imperfect (laṅ) of bhū

Prefix: sam

Root: bhū (class 1)

गर्भः (garbhaḥ) - the embryo (embryo, foetus, womb)

(noun)

Nominative, masculine, singular of garbha

garbha - embryo, foetus, womb, interior

ज्वलनसंनिभः (jvalanasaṁnibhaḥ) - radiant and intense like fire (fire-like, resembling a flame)

(adjective)

Nominative, masculine, singular of jvalanasaṃnibha

jvalanasaṁnibha - fire-like, resembling a flame

Bahuvrīhi compound

Compound type : bahuvrihi (jvalana+saṃnibha)

• jvalana – flaming, burning, fire
  noun (masculine)
  action noun
  from root jval
  Root: jval (class 1)
• saṃnibha – resembling, like, similar to
  adjective (masculine)
  from root bhā
  Prefix: sam
  Root: bhā (class 2)

अतीव (atīva) - immensely (exceedingly, very much, extremely)

(indeclinable)

तपसा (tapasā) - by ascetic power (by penance, by asceticism, by heat)

(noun)

Instrumental, neuter, singular of tapas

tapas - penance, asceticism, heat, religious austerity

युक्तः (yuktaḥ) - endowed with (ascetic power) (endowed with, joined, associated with)

(adjective)

Nominative, masculine, singular of yukta

yukta - joined, united, endowed with, engaged, proper

past passive participle

from root yuj

Root: yuj (class 7)

वैश्वनरसमद्युतिः (vaiśvanarasamadyutiḥ) - brilliant like Vaiśvānara (the universal fire) (having a radiance equal to Vaiśvānara)

(adjective)

Nominative, masculine, singular of vaiśvanarasamadyuti

vaiśvanarasamadyuti - having a radiance equal to Vaiśvānara

Bahuvrīhi compound

Compound type : bahuvrihi (vaiśvanara+sama+dyuti)

• vaiśvanara – relating to all men, universal; Agni (fire god), universal fire
  noun (masculine)
• sama – equal, similar, like
  adjective (masculine)
• dyuti – splendor, brilliance, light, radiance
  noun (feminine)
  from root dyut
  Root: dyut (class 1)

शुक्लपक्षे (śuklapakṣe) - in the waxing phase of the moon (in the bright fortnight, in the light half of the month)

(noun)

Locative, masculine, singular of śuklapakṣa

śuklapakṣa - bright fortnight, waxing moon period

Tatpuruṣa compound

Compound type : tatpurusha (śukla+pakṣa)

• śukla – white, bright, pure
  adjective (masculine)
• pakṣa – fortnight, wing, side
  noun (masculine)

यथा (yathā) - just as (as, just as, in what way)

(indeclinable)

सोमः (somaḥ) - the moon (moon, Soma (a divine intoxicating drink))

(noun)

Nominative, masculine, singular of soma

soma - moon, Soma (a plant, its juice, or a deity)

व्यवर्धत (vyavardhata) - grew (in size and brilliance) (grew, increased)

(verb)

3rd person , singular, middle, past imperfect (laṅ) of vṛdh

Prefixes: vi+ava

Root: vṛdh (class 1)

तथा (tathā) - so too (so, in that way, thus)

(indeclinable)

एव (eva) - so too (emphasizing similarity) (indeed, only, just)

(indeclinable)

सः (saḥ) - he (the embryo/child) (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it