महाभारतः mahābhārataḥ - book-5, chapter-69, verse-6

सहस्रशीर्षं पुरुषं पुराणमनादिमध्यान्तमनन्तकीर्तिम् ।
शुक्रस्य धातारमजं जनित्रं परं परेभ्यः शरणं प्रपद्ये ॥६॥

6. sahasraśīrṣaṁ puruṣaṁ purāṇa;manādimadhyāntamanantakīrtim ,
śukrasya dhātāramajaṁ janitraṁ; paraṁ parebhyaḥ śaraṇaṁ prapadye.

6. sahasraśīrṣam puruṣam purāṇam
anādimadhyāntam anantakīrtim
śukrasya dhātāram ajam janitram
param parebhyaḥ śaraṇam prapadye

6. I take refuge in that supreme cosmic person (puruṣa) who has a thousand heads, is ancient, without beginning, middle, or end, of infinite fame, the creator of the semen (or prosperity), unborn, the progenitor, and superior to all others.

Words meanings summery:

• सहस्रशीर्षम् (sahasraśīrṣam) - having a thousand heads, thousand-headed

• पुरुषम् (puruṣam) - supreme cosmic person (puruṣa) (person, being, cosmic person, man)

• पुराणम् (purāṇam) - ancient, old, traditional

• अनादिमध्यान्तम् (anādimadhyāntam) - without beginning, middle, or end

• अनन्तकीर्तिम् (anantakīrtim) - of infinite fame, having endless glory

• शुक्रस्य (śukrasya) - of semen (referring to the creative essence) (of semen, of Shukra (the planet Venus, or a sage), of bright/pure)

• धातारम् (dhātāram) - creator, sustainer, supporter

• अजम् (ajam) - unborn (referring to the eternal nature of the supreme being) (unborn, goat)

• जनित्रम् (janitram) - progenitor (progenitor, generator, father, birthplace)

• परम् (param) - supreme, highest, excellent, ultimate

• परेभ्यः (parebhyaḥ) - than all others (from others, to/for others, than others)

• शरणम् (śaraṇam) - refuge, protection, shelter

• प्रपद्ये (prapadye) - I take refuge, I resort to, I approach

Words meanings and morphology

सहस्रशीर्षम् (sahasraśīrṣam) - having a thousand heads, thousand-headed

(adjective)

Accusative, masculine, singular of sahasraśīrṣa

sahasraśīrṣa - thousand-headed, having a thousand heads

Compound type : bahuvrīhi (sahasra+śīrṣa)

• sahasra – thousand
  noun (neuter)
• śīrṣa – head
  noun (neuter)

पुरुषम् (puruṣam) - supreme cosmic person (puruṣa) (person, being, cosmic person, man)

(noun)

Accusative, masculine, singular of puruṣa

puruṣa - man, male, person, spirit, soul, the supreme being, cosmic person

पुराणम् (purāṇam) - ancient, old, traditional

(adjective)

Accusative, masculine, singular of purāṇa

purāṇa - ancient, old, traditional

अनादिमध्यान्तम् (anādimadhyāntam) - without beginning, middle, or end

(adjective)

Accusative, masculine, singular of anādimadhyānta

anādimadhyānta - without beginning, middle, or end

Compound type : bahuvrīhi (a+ādi+madhya+anta)

• a – not, non-, un-
  indeclinable
• ādi – beginning, origin
  noun (masculine)
• madhya – middle, center
  noun (neuter)
• anta – end, limit
  noun (masculine)

अनन्तकीर्तिम् (anantakīrtim) - of infinite fame, having endless glory

(adjective)

Accusative, masculine, singular of anantakīrti

anantakīrti - having infinite fame, of endless glory

Compound type : bahuvrīhi (ananta+kīrti)

• ananta – infinite, endless, boundless
  adjective (masculine)
• kīrti – fame, glory, renown
  noun (feminine)

शुक्रस्य (śukrasya) - of semen (referring to the creative essence) (of semen, of Shukra (the planet Venus, or a sage), of bright/pure)

(noun)

Genitive, masculine, singular of śukra

śukra - semen, purity, brilliance, light, planet Venus, name of a sage

धातारम् (dhātāram) - creator, sustainer, supporter

(noun)

Accusative, masculine, singular of dhātṛ

dhātṛ - creator, sustainer, supporter, arranger

Agent noun from root dhā.

Root: dhā (class 3)

अजम् (ajam) - unborn (referring to the eternal nature of the supreme being) (unborn, goat)

(adjective)

Accusative, masculine, singular of aja

aja - unborn, unproduced, primal, goat

From 'a' (not) + root 'jan' (to be born).

जनित्रम् (janitram) - progenitor (progenitor, generator, father, birthplace)

(adjective)

Accusative, masculine, singular of janitra

janitra - progenitor, generator, father, birthplace, instrument of birth

Derived from root 'jan' (to be born, produce).

Root: jan (class 4)

परम् (param) - supreme, highest, excellent, ultimate

(adjective)

Accusative, masculine, singular of para

para - supreme, highest, excellent, ultimate, other, distant

परेभ्यः (parebhyaḥ) - than all others (from others, to/for others, than others)

(pronoun)

Ablative, masculine, plural of para

para - other, superior, ultimate

Note: Can also be dative plural. Ablative often used with comparison ('superior to others').

शरणम् (śaraṇam) - refuge, protection, shelter

(noun)

Accusative, neuter, singular of śaraṇa

śaraṇa - refuge, protection, shelter

Root: śṛ

प्रपद्ये (prapadye) - I take refuge, I resort to, I approach

(verb)

1st person , singular, middle, present (laṭ) of pra-pad

Middle voice.

Prefix: pra

Root: pad (class 4)