महाभारतः mahābhārataḥ - book-13, chapter-26, verse-29

रमण्यां च उपस्पृश्य तथा वै गन्धतारिके ।
एकमासं निराहारस्त्वन्तर्धानफलं लभेत् ॥२९॥

29. ramaṇyāṁ ca upaspṛśya tathā vai gandhatārike ,
ekamāsaṁ nirāhārastvantardhānaphalaṁ labhet.

29. ramaṇyām ca upaspṛśya tathā vai gandhatārike
ekamāsam nirāhāraḥ tu antardhānaphalam labhet

29. naraḥ (implied) ramaṇyām ca tathā vai gandhatārike
upaspṛśya ekamāsam tu nirāhāraḥ antardhānaphalam labhet

29. Having bathed in Ramaṇī and also in Gandhatārikā, one who fasts for one month would indeed obtain the fruit of invisibility.

Words meanings summery:

• रमण्याम् (ramaṇyām) - in Ramaṇī (a pleasant place or river)

• च (ca) - and

• उपस्पृश्य (upaspṛśya) - having bathed, having touched

• तथा (tathā) - thus, also, and

• वै (vai) - indeed, certainly (particle)

• गन्धतारिके (gandhatārike) - in Gandhatārikā

• एकमासम् (ekamāsam) - for one month

• निराहारः (nirāhāraḥ) - fasting, without food

• तु (tu) - but, indeed, yet

• अन्तर्धानफलम् (antardhānaphalam) - the fruit of invisibility, the result of disappearing

• लभेत् (labhet) - would obtain, should obtain

Words meanings and morphology

रमण्याम् (ramaṇyām) - in Ramaṇī (a pleasant place or river)

(proper noun)

Locative, feminine, singular of ramaṇī

ramaṇī - lovely, charming (adjective); a charming woman; a proper name (river, place)

च (ca) - and

(indeclinable)

उपस्पृश्य (upaspṛśya) - having bathed, having touched

(indeclinable)

Absolutive (Gerund)

Formed from verb root spṛś with prefix upa and suffix ya.

Prefix: upa

Root: spṛś (class 6)

तथा (tathā) - thus, also, and

(indeclinable)

वै (vai) - indeed, certainly (particle)

(indeclinable)

गन्धतारिके (gandhatārike) - in Gandhatārikā

(proper noun)

Locative, feminine, singular of gandhatārikā

gandhatārikā - Gandhatārikā (name of a place or river, possibly related to fragrance gandha)

एकमासम् (ekamāsam) - for one month

(noun)

Accusative, masculine, singular of ekamāsa

ekamāsa - one month (eka: one, māsa: month)

Compound type : karmadhāraya (eka+māsa)

• eka – one, single
  numeral
• māsa – month
  noun (masculine)

Note: Used adverbially to denote duration.

निराहारः (nirāhāraḥ) - fasting, without food

(adjective)

Nominative, masculine, singular of nirāhāra

nirāhāra - abstaining from food, fasting, without food

Compound type : bahuvrihi (nir+āhāra)

• nir – without, devoid of
  indeclinable
• āhāra – food, eating, taking
  noun (masculine)
  Prefix: ā
  Root: hṛ (class 1)

तु (tu) - but, indeed, yet

(indeclinable)

अन्तर्धानफलम् (antardhānaphalam) - the fruit of invisibility, the result of disappearing

(noun)

Accusative, neuter, singular of antardhānaphala

antardhānaphala - the fruit/result (phala) of disappearing/invisibility (antardhāna)

Compound type : tatpurusha (antardhāna+phala)

• antardhāna – disappearing, vanishing, invisibility
  noun (neuter)
  From antar-dhā (to hide)
  Prefix: antar
  Root: dhā (class 3)
• phala – fruit, result, consequence
  noun (neuter)

लभेत् (labhet) - would obtain, should obtain

(verb)

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

Root: labh (class 1)