महाभारतः mahābhārataḥ - book-12, chapter-326, verse-47

हिरण्यगर्भो लोकादिश्चतुर्वक्त्रो निरुक्तगः ।
ब्रह्मा सनातनो देवो मम बह्वर्थचिन्तकः ॥४७॥

47. hiraṇyagarbho lokādiścaturvaktro niruktagaḥ ,
brahmā sanātano devo mama bahvarthacintakaḥ.

47. hiraṇyagarbhaḥ lokādiḥ caturvaktraḥ niruktagáḥ
brahmā sanātanaḥ devaḥ mama bahvarthacintakaḥ

47. hiraṇyagarbhaḥ lokādiḥ caturvaktraḥ niruktagáḥ
sanātanaḥ devaḥ brahmā mama bahvarthacintakaḥ

47. He is Hiraṇyagarbha, the origin of the worlds, the four-faced one, and the one proficient in etymology (nirukta). That eternal deity, Brahmā, ponders many purposes for my sake.

Words meanings summery:

• हिरण्यगर्भः (hiraṇyagarbhaḥ) - The golden-wombed creator god, Brahmā (Golden-wombed; a name of Brahmā)

• लोकादिः (lokādiḥ) - The one who is the beginning or origin of all worlds (Origin of the worlds)

• चतुर्वक्त्रः (caturvaktraḥ) - Having four faces (a characteristic of Brahmā) (Four-faced)

• निरुक्तग्áः (niruktagáḥ) - One who is skilled in or a master of the science of etymology (nirukta) (One who goes to or understands Nirukta; proficient in etymology)

• ब्रह्मा (brahmā) - The specific deity Brahmā, distinct from the ultimate reality (Brahman) (Brahmā, the creator god)

• सनातनः (sanātanaḥ) - The deity who is timeless and perpetual (Ancient, eternal, everlasting)

• देवः (devaḥ) - A divine being, a god (God, deity, divine being)

• मम (mama) - Belonging to me, or for my benefit (My, mine, for me)

• बह्वर्थचिन्तकः (bahvarthacintakaḥ) - The one who deeply considers or plans many meanings or purposes for the world/creation (One who thinks of many meanings or purposes)

Words meanings and morphology

हिरण्यगर्भः (hiraṇyagarbhaḥ) - The golden-wombed creator god, Brahmā (Golden-wombed; a name of Brahmā)

(noun)

Nominative, masculine, singular of hiraṇyagarbha

hiraṇyagarbha - golden embryo/womb; a name for Brahmā, the creator god

Compound type : bahuvrīhi (hiraṇya+garbha)

• hiraṇya – gold, golden; wealth
  noun (neuter)
• garbha – womb, embryo, fetus, interior, origin
  noun (masculine)

लोकादिः (lokādiḥ) - The one who is the beginning or origin of all worlds (Origin of the worlds)

(noun)

Nominative, masculine, singular of lokādi

lokādi - beginning of the worlds, primordial world

Compound type : tatpuruṣa (loka+ādi)

• loka – world, realm, people
  noun (masculine)
• ādi – beginning, origin, first
  noun (masculine)

चतुर्वक्त्रः (caturvaktraḥ) - Having four faces (a characteristic of Brahmā) (Four-faced)

(adjective)

Nominative, masculine, singular of caturvaktra

caturvaktra - four-faced

Compound type : bahuvrīhi (catur+vaktra)

• catur – four
  numeral
• vaktra – face, mouth
  noun (neuter)

निरुक्तग्áः (niruktagáḥ) - One who is skilled in or a master of the science of etymology (nirukta) (One who goes to or understands Nirukta; proficient in etymology)

(noun)

Nominative, masculine, singular of niruktagá

niruktagá - one who has mastered Nirukta (etymology); one who knows the meaning of words

Compound type : tatpuruṣa (nirukta+ga)

• nirukta – etymologically explained; an ancillary Vedic text on etymology
  noun (neuter)
  Past Passive Participle
  ni-vac (to speak, explain) + kta
  Prefix: nis
  Root: vac (class 2)
• ga – going, moving; knowing, understanding
  adjective (masculine)
  From root gam (to go) or jñā (to know) with specific suffix
  Root: gam (class 1)

ब्रह्मा (brahmā) - The specific deity Brahmā, distinct from the ultimate reality (Brahman) (Brahmā, the creator god)

(proper noun)

Nominative, masculine, singular of brahman

brahman - Brahmā (the creator god); the ultimate reality (neuter)

सनातनः (sanātanaḥ) - The deity who is timeless and perpetual (Ancient, eternal, everlasting)

(adjective)

Nominative, masculine, singular of sanātana

sanātana - ancient, eternal, perpetual, everlasting

देवः (devaḥ) - A divine being, a god (God, deity, divine being)

(noun)

Nominative, masculine, singular of deva

deva - god, deity, divine being, celestial being

Root: div (class 1)

मम (mama) - Belonging to me, or for my benefit (My, mine, for me)

(pronoun)

Genitive, singular of asmad

asmad - I, me (first person pronoun)

Note: Can also be dative in some contexts, meaning 'to me' or 'for me'.

बह्वर्थचिन्तकः (bahvarthacintakaḥ) - The one who deeply considers or plans many meanings or purposes for the world/creation (One who thinks of many meanings or purposes)

(noun)

Nominative, masculine, singular of bahvarthacintaka

bahvarthacintaka - one who thinks of or ponders many meanings/purposes/objects

Compound type : tatpuruṣa (bahvartha+cintaka)

• bahvartha – many meanings, various purposes, numerous objects
  noun (masculine)
• cintaka – thinker, ponderer, meditator
  noun (masculine)
  From root 'cit' (to perceive, think) + suffix '-aka'
  Root: cit (class 10)