महाभारतः mahābhārataḥ - book-12, chapter-261, verse-60

नास्तिक्यमन्यथा च स्याद्वेदानां पृष्ठतःक्रिया ।
एतस्यानन्त्यमिच्छामि भगवञ्श्रोतुमञ्जसा ॥६०॥

60. nāstikyamanyathā ca syādvedānāṁ pṛṣṭhataḥkriyā ,
etasyānantyamicchāmi bhagavañśrotumañjasā.

60. nāstikyam anyathā ca syāt vedānām pṛṣṭhataḥkriyā
etasya ānantyam icchāmi bhagavan śrotum añjasā

60. anyathā ca nāstikyam vedānām pṛṣṭhataḥkriyā syāt
etasya ānantyam śrotum icchāmi bhagavan añjasā

60. Otherwise, there would be skepticism and an abandonment of the Vedas. O Venerable One, I truly wish to hear about the infinite nature of this (matter).

Words meanings summery:

• नास्तिक्यम् (nāstikyam) - disbelief, heterodoxy, atheism

• अन्यथा (anyathā) - otherwise, in a different manner

• च (ca) - and

• स्यात् (syāt) - it would be, might be

• वेदानाम् (vedānām) - of the Vedas

• पृष्ठतःक्रिया (pṛṣṭhataḥkriyā) - turning one's back on, abandonment, neglect

• एतस्य (etasya) - of this matter/topic (of this)

• आनन्त्यम् (ānantyam) - endlessness, infinity, eternal nature

• इच्छामि (icchāmi) - I wish, I desire

• भगवन् (bhagavan) - O Lord, O Revered One, O Venerable One

• श्रोतुम् (śrotum) - to hear

• अञ्जसा (añjasā) - truly, clearly, directly, quickly, correctly

Words meanings and morphology

नास्तिक्यम् (nāstikyam) - disbelief, heterodoxy, atheism

(noun)

Nominative, neuter, singular of nāstikya

nāstikya - disbelief, heterodoxy, atheism, non-existence

Derived from nāstika (one who denies existence or validity of Vedas).

अन्यथा (anyathā) - otherwise, in a different manner

(indeclinable)

च (ca) - and

(indeclinable)

स्यात् (syāt) - it would be, might be

(verb)

3rd person , singular, active, optative (liṅ) of as

Root: as (class 2)

वेदानाम् (vedānām) - of the Vedas

(noun)

Genitive, masculine, plural of veda

veda - sacred knowledge, Veda (the ancient sacred texts of Hinduism)

Derived from root vid 'to know'.

Root: vid (class 2)

पृष्ठतःक्रिया (pṛṣṭhataḥkriyā) - turning one's back on, abandonment, neglect

(noun)

Nominative, feminine, singular of pṛṣṭhataḥkriyā

pṛṣṭhataḥkriyā - turning one's back, abandonment, neglect, disregard

Compound of pṛṣṭhataḥ (from the back) and kriyā (action).

Compound type : tatpuruṣa (pṛṣṭhataḥ+kriyā)

• pṛṣṭhataḥ – from the back, behind
  indeclinable
• kriyā – action, deed, performance, ritual
  noun (feminine)
  Derived from root kṛ 'to do'.
  Root: kṛ (class 8)

एतस्य (etasya) - of this matter/topic (of this)

(pronoun)

Genitive, neuter, singular of etad

etad - this, this one

आनन्त्यम् (ānantyam) - endlessness, infinity, eternal nature

(noun)

Accusative, neuter, singular of ānantya

ānantya - endlessness, infinity, eternity, immortality

Derived from ananta (endless).

इच्छामि (icchāmi) - I wish, I desire

(verb)

1st person , singular, active, present indicative (laṭ) of iṣ

Root: iṣ (class 6)

भगवन् (bhagavan) - O Lord, O Revered One, O Venerable One

(noun)

Vocative, masculine, singular of bhagavat

bhagavat - blessed, fortunate, divine, venerable, lord

Vocative case of bhagavat (possessing fortune/excellence).

श्रोतुम् (śrotum) - to hear

(indeclinable)

Infinitive

Formed from root śru 'to hear' + suffix tumun.

Root: śru (class 5)

अञ्जसा (añjasā) - truly, clearly, directly, quickly, correctly

(indeclinable)

Instrumental singular of añjas (straightforwardness) used adverbially.