महाभारतः mahābhārataḥ - book-13, chapter-26, verse-33

गङ्गाह्रद उपस्पृश्य तथा चैवोत्पलावने ।
अश्वमेधमवाप्नोति तत्र मासं कृतोदकः ॥३३॥

33. gaṅgāhrada upaspṛśya tathā caivotpalāvane ,
aśvamedhamavāpnoti tatra māsaṁ kṛtodakaḥ.

33. gaṅgāhrada upaspṛśya tathā ca eva utpalāvane
aśvamedham avāpnoti tatra māsam kṛtodakaḥ

33. Having performed ritual ablutions at the Ganga pool and similarly at the lotus-filled pond, a person who has offered water libations there obtains the benefit of the (aśvamedha) Vedic ritual for a month.

Words meanings summery:

• गङ्गाह्रद (gaṅgāhrada) - at the Ganga pool (implied locative) (Ganga pool, a pool of the Ganga)

• उपस्पृश्य (upaspṛśya) - having touched, having performed ritual ablutions

• तथा (tathā) - similarly, in that manner, and

• च (ca) - and, also

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

• उत्पलावने (utpalāvane) - at a place abundant with lotuses (in the lotus forest/pond/field)

• अश्वमेधम् (aśvamedham) - the aśvamedha (Vedic ritual)

• अवाप्नोति (avāpnoti) - attains, obtains, reaches

• तत्र (tatra) - in the Ganga pool and lotus-filled pond (there, in that place)

• मासम् (māsam) - for a month, a month

• कृतोदकः (kṛtodakaḥ) - one who has offered water, one who has performed water libations

Words meanings and morphology

गङ्गाह्रद (gaṅgāhrada) - at the Ganga pool (implied locative) (Ganga pool, a pool of the Ganga)

(noun)

masculine, singular of gaṅgāhrada

gaṅgāhrada - Ganga pool, a sacred pool associated with the river Ganga

Compound type : tatpurusha (gaṅgā+hrada)

• gaṅgā – River Ganga (Ganges)
  proper noun (feminine)
• hrada – pool, deep lake, reservoir
  noun (masculine)

Note: Appears as a nominative form, but functions semantically as a locative due to `upaspṛśya` and parallel construction with `utpalāvane`.

उपस्पृश्य (upaspṛśya) - having touched, having performed ritual ablutions

(indeclinable)

absolutive

Derived from root spṛś with upasarga upa, forming an absolutive suffix -ya.

Prefix: upa

Root: spṛś (class 6)

Note: Indeclinable participle (absolutive).

तथा (tathā) - similarly, in that manner, and

(indeclinable)

Note: Used as a connective.

च (ca) - and, also

(indeclinable)

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

(indeclinable)

Note: Emphatic particle.

उत्पलावने (utpalāvane) - at a place abundant with lotuses (in the lotus forest/pond/field)

(noun)

Locative, neuter, singular of utpalāvana

utpalāvana - lotus forest, lotus pond, area abundant with lotuses

Compound type : tatpurusha (utpala+āvana)

• utpala – lotus
  noun (neuter)
• āvana – wood, forest, grove, pond (alternate meaning for some contexts)
  noun (neuter)

अश्वमेधम् (aśvamedham) - the aśvamedha (Vedic ritual)

(noun)

Accusative, masculine, singular of aśvamedha

aśvamedha - the horse Vedic ritual, a powerful and ancient Vedic ritual

Compound type : tatpurusha (aśva+medha)

• aśva – horse
  noun (masculine)
• medha – Vedic ritual, oblation, sacrifice
  noun (masculine)

Note: Object of "avāpnoti".

अवाप्नोति (avāpnoti) - attains, obtains, reaches

(verb)

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

Prefix: ava

Root: āp (class 5)

Note: The verbal root is `āp`, and `ava` is an upasarga.

तत्र (tatra) - in the Ganga pool and lotus-filled pond (there, in that place)

(indeclinable)

Note: Adverb of place.

मासम् (māsam) - for a month, a month

(noun)

Accusative, masculine, singular of māsa

māsa - month

Note: Used adverbially to indicate duration.

कृतोदकः (kṛtodakaḥ) - one who has offered water, one who has performed water libations

(adjective)

Nominative, masculine, singular of kṛtodaka

kṛtodaka - one who has poured water, one who has performed water offerings/libations

Compound type : bahuvrihi (kṛta+udaka)

• kṛta – done, made, performed (past passive participle of kṛ)
  adjective
  Past Passive Participle
  From root kṛ (to do, make).
  Root: kṛ (class 8)
• udaka – water
  noun (neuter)

Note: Refers to the agent of "avāpnoti".