महाभारतः mahābhārataḥ - book-12, chapter-261, verse-12

प्राग्गर्भाधानान्मन्त्रा हि प्रवर्तन्ते द्विजातिषु ।
अविश्रम्भेषु वर्तन्ते विश्रम्भेष्वप्यसंशयम् ॥१२॥

12. prāggarbhādhānānmantrā hi pravartante dvijātiṣu ,
aviśrambheṣu vartante viśrambheṣvapyasaṁśayam.

12. prāk garbhādhānāt mantrāḥ hi pravartante dvijātiṣu
aviśrambheṣu vartante viśrambheṣu api asaṃśayam

12. hi mantrāḥ garbhādhānāt prāk [eva] dvijātiṣu pravartante
te aviśrambheṣu api viśrambheṣu ca asaṃśayam vartante

12. Indeed, sacred verses (mantra) are applied to the twice-born (dvijāti) from before the rite of conception (garbhādhāna). These rites are performed for those who lack faith (śraddhā), and, without a doubt, also for those who possess faith (śraddhā).

Words meanings summery:

• प्राक् (prāk) - before (before, formerly, eastward)

• गर्भाधानात् (garbhādhānāt) - from the rite of conception, from impregnation

• मन्त्राः (mantrāḥ) - sacred verses (mantra) (sacred verses, incantations, Vedic hymns)

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

• प्रवर्तन्ते (pravartante) - are applied / become effective (they operate, they are performed, they are current, they come into force)

• द्विजातिषु (dvijātiṣu) - for the twice-born (dvijāti) (among the twice-born, for the twice-born)

• अविश्रम्भेषु (aviśrambheṣu) - for those who lack faith (śraddhā) (among those without trust/faith)

• वर्तन्ते (vartante) - they are performed / they function (they exist, they are found, they function, they remain)

• विश्रम्भेषु (viśrambheṣu) - for those who possess faith (śraddhā) (among those with trust/faith)

• अपि (api) - even, also (also, even, moreover)

• असंशयम् (asaṁśayam) - without doubt, certainly, doubtless

Words meanings and morphology

प्राक् (prāk) - before (before, formerly, eastward)

(indeclinable)

Directional adjective, used here as an adverb.

Note: Functions as a preposition with `garbhādhānāt`.

गर्भाधानात् (garbhādhānāt) - from the rite of conception, from impregnation

(noun)

Ablative, neuter, singular of garbhādhāna

garbhādhāna - conception, impregnation, the rite of conception (one of the saṃskāras)

Verbal noun

Compound.

Compound type : ṣaṣṭhī-tatpuruṣa (garbha+ādhāna)

• garbha – womb, embryo, fetus, core
  noun (masculine)
• ādhāna – placing, depositing, establishing, performing (a rite)
  noun (neuter)
  Verbal noun
  From ā-dhā (to place, lay)
  Prefix: ā
  Root: dhā (class 3)

Note: Indicates point of origin, 'from'.

मन्त्राः (mantrāḥ) - sacred verses (mantra) (sacred verses, incantations, Vedic hymns)

(noun)

Nominative, masculine, plural of mantra

mantra - sacred verse, hymn, incantation, formula, sacred counsel, thought

From root man (to think) + tra (instrumental suffix).

Root: man (class 4)

Note: Subject of `pravartante`.

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

(indeclinable)

Particle.

प्रवर्तन्ते (pravartante) - are applied / become effective (they operate, they are performed, they are current, they come into force)

(verb)

3rd person , plural, middle, present (laṭ) of pravart

Present, Middle, 3rd person plural

From pra-vṛt.

Prefix: pra

Root: vṛt (class 1)

Note: Subject is `mantrāḥ`.

द्विजातिषु (dvijātiṣu) - for the twice-born (dvijāti) (among the twice-born, for the twice-born)

(noun)

Locative, masculine, plural of dvijāti

dvijāti - twice-born (referring to Brahmins, Kshatriyas, Vaishyas after their sacred thread ceremony), a bird, a tooth

Compound dvi (twice) + jāti (birth).

Compound type : karmadhāraya (dvi+jāti)

• dvi – two, twice
  numeral
• jāti – birth, origin, species, class, caste
  noun (feminine)
  From root jan (to be born)
  Root: jan (class 4)

Note: Indicates the group for whom the mantras are applied.

अविश्रम्भेषु (aviśrambheṣu) - for those who lack faith (śraddhā) (among those without trust/faith)

(adjective)

Locative, masculine, plural of aviśrambha

aviśrambha - distrust, want of confidence, want of faith

From a- (negative) + viśrambha (trust, confidence).

Compound type : nañ-tatpuruṣa (a+viśrambha)

• a – not, non-, un-
  indeclinable
  Negative prefix
• viśrambha – trust, confidence, faith, intimacy
  noun (masculine)
  From vi-śrambh (to trust)
  Prefix: vi
  Root: śrambh (class 1)

Note: Refers to persons.

वर्तन्ते (vartante) - they are performed / they function (they exist, they are found, they function, they remain)

(verb)

3rd person , plural, middle, present (laṭ) of vṛt

Present, Middle, 3rd person plural

Root vṛt is 1st class.

Root: vṛt (class 1)

विश्रम्भेषु (viśrambheṣu) - for those who possess faith (śraddhā) (among those with trust/faith)

(adjective)

Locative, masculine, plural of viśrambha

viśrambha - trust, confidence, faith, intimacy

From vi-śrambh (to trust).

Prefix: vi

Root: śrambh (class 1)

Note: Refers to persons.

अपि (api) - even, also (also, even, moreover)

(indeclinable)

Particle.

असंशयम् (asaṁśayam) - without doubt, certainly, doubtless

(indeclinable)

From a- (negative) + saṃśaya (doubt).

Compound type : nañ-tatpuruṣa (a+saṃśaya)

• a – not, non-, un-
  indeclinable
  Negative prefix
• saṃśaya – doubt, uncertainty, hesitation
  noun (masculine)
  From sam-śī (to lie together, doubt)
  Prefix: sam
  Root: śī (class 2)

Note: Adverbial.