महाभारतः mahābhārataḥ - book-3, chapter-13, verse-9

पुरुषस्याप्रमेयस्य सत्यस्यामिततेजसः ।
प्रजापतिपतेर्विष्णोर्लोकनाथस्य धीमतः ॥९॥

9. puruṣasyāprameyasya satyasyāmitatejasaḥ ,
prajāpatipaterviṣṇorlokanāthasya dhīmataḥ.

9. puruṣasya aprameyasya satyasya amitatejasaḥ
prajāpatipateḥ Viṣṇoḥ lokanāthasya dhīmataḥ

9. Of the immeasurable cosmic person (puruṣa), of the true one whose splendor is limitless, of Viṣṇu, the master of the lords of creation, and of the wise lord of all worlds.

Words meanings summery:

• पुरुषस्य (puruṣasya) - of the cosmic person, of the being, of the male

• अप्रमेयस्य (aprameyasya) - of the immeasurable one, of the incomprehensible one

• सत्यस्य (satyasya) - of truth, of the true one, of reality

• अमिततेजसः (amitatejasaḥ) - of the one with immeasurable splendor, of boundless energy

• प्रजापतिपतेः (prajāpatipateḥ) - of the lord of the lords of creation

• विष्णोः (viṣṇoḥ) - of Viṣṇu

• लोकनाथस्य (lokanāthasya) - of the lord of the worlds

• धीमतः (dhīmataḥ) - of the intelligent one, of the wise one

Words meanings and morphology

पुरुषस्य (puruṣasya) - of the cosmic person, of the being, of the male

(noun)

Genitive, masculine, singular of puruṣa

puruṣa - man, male, human being, person, cosmic person (puruṣa)

अप्रमेयस्य (aprameyasya) - of the immeasurable one, of the incomprehensible one

(adjective)

Genitive, masculine, singular of aprameya

aprameya - immeasurable, incomprehensible, not to be proved

gerundive

Derived from root mā 'to measure' with prefix pra and negative prefix a-.

Compound type : tatpurusha (a+prameya)

• a – not, non-, un-
  indeclinable
• prameya – measurable, comprehensible, provable
  adjective (masculine)
  gerundive
  Gerundive derived from root mā 'to measure' with prefix pra.
  Prefix: pra
  Root: mā (class 2)

सत्यस्य (satyasya) - of truth, of the true one, of reality

(noun)

Genitive, masculine, singular of satya

satya - truth, true, real, sincere, existing

अमिततेजसः (amitatejasaḥ) - of the one with immeasurable splendor, of boundless energy

(adjective)

Genitive, masculine, singular of amitatejas

amitatejas - having immeasurable splendor, possessing limitless energy

Compound type : bahuvrihi (amita+tejas)

• amita – unmeasured, limitless, infinite
  adjective
  past passive participle
  Past passive participle of root mā 'to measure' with negative prefix a-.
  Root: mā (class 2)
• tejas – splendor, brilliance, energy, power, spiritual force
  noun (neuter)

प्रजापतिपतेः (prajāpatipateḥ) - of the lord of the lords of creation

(noun)

Genitive, masculine, singular of prajāpatipati

prajāpatipati - lord of the Prajāpatis, master of the creators

Compound type : tatpurusha (prajāpati+pati)

• prajāpati – lord of creation, creator, progenitor, Prajāpati
  noun (masculine)
• pati – lord, master, husband, ruler
  noun (masculine)

विष्णोः (viṣṇoḥ) - of Viṣṇu

(proper noun)

Genitive, masculine, singular of Viṣṇu

Viṣṇu - Viṣṇu (proper name of a major Hindu deity)

लोकनाथस्य (lokanāthasya) - of the lord of the worlds

(noun)

Genitive, masculine, singular of lokanātha

lokanātha - lord of the world(s), protector of the world(s)

Compound type : tatpurusha (loka+nātha)

• loka – world, realm, people, division of the universe
  noun (masculine)
  Root: loc (class 1)
• nātha – lord, master, protector, refuge
  noun (masculine)
  Root: nāth (class 1)

धीमतः (dhīmataḥ) - of the intelligent one, of the wise one

(adjective)

Genitive, masculine, singular of dhīmat

dhīmat - intelligent, wise, clever, discerning

Possessive adjective formed with suffix -mat from dhī 'intellect'.