महाभारतः mahābhārataḥ - book-13, chapter-26, verse-31

मतङ्गवाप्यां यः स्नायादेकरात्रेण सिध्यति ।
विगाहति ह्यनालम्बमन्धकं वै सनातनम् ॥३१॥

31. mataṅgavāpyāṁ yaḥ snāyādekarātreṇa sidhyati ,
vigāhati hyanālambamandhakaṁ vai sanātanam.

31. matṅgavāpyām yaḥ snāyāt ekarātreṇa sidhyati
vigāhati hi anālambam andhakam vai sanātanam

31. One who bathes in Matanga's pond attains spiritual perfection (siddhi) in a single night. Indeed, he plunges into that eternal, self-supported, and imperceptible reality.

Words meanings summery:

• मत्ङ्गवाप्याम् (matṅgavāpyām) - in Matanga's pond/pool

• यः (yaḥ) - who, whoever

• स्नायात् (snāyāt) - may bathe, should bathe

• एकरात्रेण (ekarātreṇa) - in one night, by one night

• सिध्यति (sidhyati) - attains perfection, succeeds, is accomplished

• विगाहति (vigāhati) - plunges into, enters deeply, penetrates

• हि (hi) - indeed, surely, because

• अनालम्बम् (anālambam) - referring to the ultimate reality (unsupported, self-supported, independent)

• अन्धकम् (andhakam) - referring to the ultimate reality as beyond sensory perception or unmanifest (darkness, blind, unmanifest, imperceptible)

• वै (vai) - indeed, surely, verily

• सनातनम् (sanātanam) - referring to the ultimate reality as eternal (eternal, perpetual, ancient)

Words meanings and morphology

मत्ङ्गवाप्याम् (matṅgavāpyām) - in Matanga's pond/pool

(noun)

Locative, feminine, singular of matṅgavāpī

matṅgavāpī - Matanga's pond or pool (a specific holy site)

Compound type : tatpurusha (matṅga+vāpī)

• matṅga – Matanga (name of a sage)
  proper noun (masculine)
• vāpī – pond, pool, tank
  noun (feminine)

यः (yaḥ) - who, whoever

(pronoun)

Nominative, masculine, singular of yad

yad - who, which, what

स्नायात् (snāyāt) - may bathe, should bathe

(verb)

3rd person , singular, active, optative (vidhi-liṅ) of snā

Root: snā (class 2)

एकरात्रेण (ekarātreṇa) - in one night, by one night

(noun)

Instrumental, neuter, singular of ekarātra

ekarātra - one night, a single night

Compound type : bahuvrihi (eka+rātra)

• eka – one, single
  numeral
• rātra – night
  noun (neuter)

Note: Used adverbially to mean "within one night".

सिध्यति (sidhyati) - attains perfection, succeeds, is accomplished

(verb)

3rd person , singular, active, present (laṭ) of sidh

Root: sidh (class 4)

विगाहति (vigāhati) - plunges into, enters deeply, penetrates

(verb)

3rd person , singular, active, present (laṭ) of vigāh

Prefix: vi

Root: gāh (class 1)

हि (hi) - indeed, surely, because

(indeclinable)

Note: Emphatic particle.

अनालम्बम् (anālambam) - referring to the ultimate reality (unsupported, self-supported, independent)

(adjective)

Accusative, neuter, singular of anālamba

anālamba - unsupported, self-supported, independent; without basis, unattached

Negation (an-) of ālamba (support)

Compound type : nañ-tatpuruṣa (an+ālamba)

• an – not, non-
  indeclinable
• ālamba – support, dependence, object of meditation
  noun (masculine)
  Prefix: ā
  Root: lamb (class 1)

Note: Qualifies "andhakam" and "sanātanam" which are in accusative.

अन्धकम् (andhakam) - referring to the ultimate reality as beyond sensory perception or unmanifest (darkness, blind, unmanifest, imperceptible)

(adjective)

Accusative, neuter, singular of andhaka

andhaka - blind, dark, darkness, that which makes blind, unmanifest

Note: Qualifies an implied neuter noun like "tattvam" (reality).

वै (vai) - indeed, surely, verily

(indeclinable)

सनातनम् (sanātanam) - referring to the ultimate reality as eternal (eternal, perpetual, ancient)

(adjective)

Accusative, neuter, singular of sanātana

sanātana - eternal, perpetual, primeval, ancient, traditional

Note: Qualifies an implied neuter noun like "tattvam" (reality).