महाभारतः mahābhārataḥ - book-13, chapter-135, verse-20

अग्राह्यः शाश्वतः कृष्णो लोहिताक्षः प्रतर्दनः ।
प्रभूतस्त्रिककुब्धाम पवित्रं मङ्गलं परम् ॥२०॥

20. agrāhyaḥ śāśvataḥ kṛṣṇo lohitākṣaḥ pratardanaḥ ,
prabhūtastrikakubdhāma pavitraṁ maṅgalaṁ param.

20. agrāhyaḥ śāśvataḥ kṛṣṇaḥ lohitākṣaḥ pratardanaḥ
prabhūtaḥ trikakubdhāma pavitram maṅgalam param

20. agrāhyaḥ śāśvataḥ kṛṣṇaḥ lohitākṣaḥ pratardanaḥ
prabhūtaḥ trikakubdhāma pavitram maṅgalam param

20. He is ungraspable, eternal, dark-complexioned (Kṛṣṇa), red-eyed, and the destroyer (Pratardana). He is the abundant, the abode of the three peaks (or directions), the sacred, the auspicious, and the supreme.

Words meanings summery:

• अग्राह्यः (agrāhyaḥ) - Ungraspable, incomprehensible, not to be apprehended.

• शाश्वतः (śāśvataḥ) - Eternal, perpetual, everlasting.

• कृष्णः (kṛṣṇaḥ) - An epithet for Vishnu, referring to his dark complexion. (Dark, black, a name of Vishnu.)

• लोहिताक्षः (lohitākṣaḥ) - An epithet for Vishnu. (Red-eyed.)

• प्रतर्दनः (pratardanaḥ) - An epithet for Vishnu. (Destroyer, causing destruction.)

• प्रभूतः (prabhūtaḥ) - Abundant, mighty, manifest.

• त्रिककुब्धाम (trikakubdhāma) - Referring to the highest abode of Vishnu. (Abode of the three peaks/directions/worlds.)

• पवित्रम् (pavitram) - Pure, holy, purifying.

• मङ्गलम् (maṅgalam) - Auspicious, beneficial.

• परम् (param) - Supreme, highest, ultimate.

Words meanings and morphology

अग्राह्यः (agrāhyaḥ) - Ungraspable, incomprehensible, not to be apprehended.

(adjective)

Nominative, masculine, singular of agrāhya

agrāhya - Ungraspable, incomprehensible, not to be seized.

Compound type : nañ-tatpuruṣa (a+grāhya)

• a – Not, un- (negation prefix).
  indeclinable
• grāhya – To be grasped, comprehensible.
  adjective (masculine)
  Gerundive
  From grah (to seize) + -ya suffix.
  Root: grah (class 9)

शाश्वतः (śāśvataḥ) - Eternal, perpetual, everlasting.

(adjective)

Nominative, masculine, singular of śāśvata

śāśvata - Eternal, perpetual, constant.

कृष्णः (kṛṣṇaḥ) - An epithet for Vishnu, referring to his dark complexion. (Dark, black, a name of Vishnu.)

(proper noun)

Nominative, masculine, singular of kṛṣṇa

kṛṣṇa - Dark, black, a name of Vishnu/Krishna, one of the primary names of the Lord.

लोहिताक्षः (lohitākṣaḥ) - An epithet for Vishnu. (Red-eyed.)

(adjective)

Nominative, masculine, singular of lohitākṣa

lohitākṣa - Red-eyed, having red eyes, a name of Vishnu.

Compound type : bahuvrīhi (lohita+akṣa)

• lohita – Red, reddish.
  adjective (masculine)
• akṣa – Eye.
  noun (neuter)

प्रतर्दनः (pratardanaḥ) - An epithet for Vishnu. (Destroyer, causing destruction.)

(proper noun)

Nominative, masculine, singular of pratardana

pratardana - Destroyer, subduer, causing great pain, a name of Vishnu.

Prefix: prati

Root: tṛd (class 7)

प्रभूतः (prabhūtaḥ) - Abundant, mighty, manifest.

(adjective)

Nominative, masculine, singular of prabhūta

prabhūta - Manifested, produced, abundant, mighty, great.

Past Passive Participle

From pra-bhū (to be, to exist, to appear).

Prefix: pra

Root: bhū (class 1)

त्रिककुब्धाम (trikakubdhāma) - Referring to the highest abode of Vishnu. (Abode of the three peaks/directions/worlds.)

(noun)

Nominative, masculine, singular of trikakubdhāma

trikakubdhāman - Abode of the three quarters/directions/worlds, highest abode, a name of Vishnu.

Compound type : tatpuruṣa (trikakubh+dhāman)

• trikakubh – Three quarters/directions/peaks.
  noun (feminine)
• dhāman – Abode, realm, light, power.
  noun (neuter)

Note: Used as a masculine epithet for Vishnu.

पवित्रम् (pavitram) - Pure, holy, purifying.

(adjective)

Nominative, neuter, singular of pavitra

pavitra - Pure, holy, purifying, sacred.

Root: pū (class 1)

मङ्गलम् (maṅgalam) - Auspicious, beneficial.

(adjective)

Nominative, neuter, singular of maṅgala

maṅgala - Auspicious, fortunate, blessing.

परम् (param) - Supreme, highest, ultimate.

(adjective)

Nominative, neuter, singular of para

para - Supreme, highest, ultimate, distant, excellent.