महाभारतः mahābhārataḥ - book-12, chapter-217, verse-48

गम्भीरं गहनं ब्रह्म महत्तोयार्णवं यथा ।
अनादिनिधनं चाहुरक्षरं परमेव च ॥४८॥

48. gambhīraṁ gahanaṁ brahma mahattoyārṇavaṁ yathā ,
anādinidhanaṁ cāhurakṣaraṁ parameva ca.

48. gambhīram gahanam brahma mahattoyārṇavam yathā
anādinidhanam ca āhuḥ akṣaram param eva ca

48. brahma gambhīram gahanam yathā mahattoyārṇavam
ca āhuḥ anādinidhanam akṣaram param eva ca

48. Brahman is profound and unfathomable, like a vast ocean. They also declare it (brahman) to be without beginning or end, imperishable, and indeed supreme.

Words meanings summery:

• गम्भीरम् (gambhīram) - deep, profound, serious

• गहनम् (gahanam) - deep, dense, impenetrable, difficult to access

• ब्रह्म (brahma) - Brahman (the Absolute reality)

• महत्तोयार्णवम् (mahattoyārṇavam) - a great ocean of water

• यथा (yathā) - as, just as, like

• अनादिनिधनम् (anādinidhanam) - without beginning or end, eternal

• च (ca) - and, also, moreover

• आहुः (āhuḥ) - they say, they declare, they call

• अक्षरम् (akṣaram) - imperishable (qualifying Brahman) (imperishable, indestructible, syllable)

• परम् (param) - supreme, highest, ultimate

• एव (eva) - indeed, certainly, only, even

• च (ca) - and, also, moreover

Words meanings and morphology

गम्भीरम् (gambhīram) - deep, profound, serious

(adjective)

Nominative, neuter, singular of gambhīra

gambhīra - deep, profound, grave, serious

Note: Qualifies 'brahma'.

गहनम् (gahanam) - deep, dense, impenetrable, difficult to access

(adjective)

Nominative, neuter, singular of gahana

gahana - deep, dense, thick, impenetrable, secret

Note: Qualifies 'brahma'.

ब्रह्म (brahma) - Brahman (the Absolute reality)

(noun)

Nominative, neuter, singular of brahman

brahman - Brahman, the ultimate reality, sacred word, priest

Note: Subject of the first part of the sentence.

महत्तोयार्णवम् (mahattoyārṇavam) - a great ocean of water

(noun)

Nominative, neuter, singular of mahattoyārṇava

mahattoyārṇava - a great ocean of water

Compound type : tatpuruṣa (mahat+toyārṇava)

• mahat – great, large, vast
  adjective (neuter)
• toyārṇava – ocean of water
  noun (masculine)

Note: Predicate nominative for 'brahma', with 'yathā' indicating comparison.

यथा (yathā) - as, just as, like

(indeclinable)

Note: Connects the comparison.

अनादिनिधनम् (anādinidhanam) - without beginning or end, eternal

(adjective)

Accusative, neuter, singular of anādinidhana

anādinidhana - without beginning or end, eternal

Compound type : bahuvrīhi (a+ādi+nidhana)

• a – not, un-
  prefix
• ādi – beginning, origin
  noun (masculine)
• nidhana – end, destruction, death
  noun (neuter)
  Prefix: ni
  Root: dhā (class 3)

Note: Predicate accusative for implied 'it' (Brahman), governed by 'āhuḥ'.

च (ca) - and, also, moreover

(indeclinable)

Note: Connects 'anādinidhanam' with the previous idea.

आहुः (āhuḥ) - they say, they declare, they call

(verb)

3rd person , plural, active, perfect (liṭ) of vac

Root: vac (class 2)

Note: This is the perfect 3rd person plural of √vac.

अक्षरम् (akṣaram) - imperishable (qualifying Brahman) (imperishable, indestructible, syllable)

(adjective)

Accusative, neuter, singular of akṣara

akṣara - imperishable, indestructible, syllable, letter

Negation 'a' + root kṣar (to perish, flow)

Compound type : dvigu (a+kṣara)

• a – not, un-
  prefix
• kṣara – perishable, flowing
  adjective (masculine)
  Derived from root kṣar (to perish, flow)
  Root: kṣar (class 1)

Note: Predicate accusative for implied 'it' (Brahman).

परम् (param) - supreme, highest, ultimate

(adjective)

Accusative, neuter, singular of para

para - supreme, highest, ultimate, other

Note: Predicate accusative for implied 'it' (Brahman).

एव (eva) - indeed, certainly, only, even

(indeclinable)

Note: Emphasizes 'param'.

च (ca) - and, also, moreover

(indeclinable)

Note: Connects 'param' with the previous adjective.