महाभारतः mahābhārataḥ - book-13, chapter-26, verse-11

इन्द्रतोयां समासाद्य गन्धमादनसंनिधौ ।
करतोयां कुरङ्गेषु त्रिरात्रोपोषितो नरः ।
अश्वमेधमवाप्नोति विगाह्य नियतः शुचिः ॥११॥

11. indratoyāṁ samāsādya gandhamādanasaṁnidhau ,
karatoyāṁ kuraṅgeṣu trirātropoṣito naraḥ ,
aśvamedhamavāpnoti vigāhya niyataḥ śuciḥ.

11. indratoyām samāsādya
gandhamādanasaṃnidhau karatoyām kuraṅgeṣu
trirātropōṣitaḥ naraḥ aśvamedham
avāpnōti vigāhya niyataḥ śuciḥ

11. yaḥ naraḥ niyataḥ śuciḥ trirātropōṣitaḥ
gandhamādanasaṃnidhau
indratoyām samāsādya kuraṅgeṣu
karatoyām vigāhya aśvamedham avāpnōti

11. A person who, having reached the Indratoya river near Gandhamadana, and having bathed in the Karatoya river in the region of Kuranga, being self-controlled, pure, and having fasted for three nights, attains the fruit of an aśvamedha (Vedic ritual).

Words meanings summery:

• इन्द्रतोयाम् (indratoyām) - The river named Indratoya (Indratoya river (a river name))

• समासाद्य (samāsādya) - having reached (the river) (having reached, having approached, having obtained)

• गन्धमादनसंनिधौ (gandhamādanasaṁnidhau) - near Mount Gandhamadana (near Gandhamadana, in the vicinity of Gandhamadana)

• करतोयाम् (karatoyām) - The river named Karatoya (Karatoya river (a river name))

• कुरङ्गेषु (kuraṅgeṣu) - in the region where deer abound, or in the specific region named Kuranga (in deer, among deer, in the region of Kuranga)

• त्रिरात्रोप्ओषितः (trirātropōṣitaḥ) - having fasted for three nights (one who has fasted for three nights)

• नरः (naraḥ) - a person (a man, a person)

• अश्वमेधम् (aśvamedham) - the fruit/merit of an aśvamedha (Vedic ritual) (horse sacrifice, aśvamedha (Vedic ritual))

• अवाप्न्ओति (avāpnōti) - attains (attains, obtains, reaches)

• विगाह्य (vigāhya) - having bathed in (the river) (having bathed in, having plunged into)

• नियतः (niyataḥ) - being self-controlled (restrained, self-controlled, disciplined)

• शुचिः (śuciḥ) - being pure (pure, clean, holy)

Words meanings and morphology

इन्द्रतोयाम् (indratoyām) - The river named Indratoya (Indratoya river (a river name))

(proper noun)

Accusative, feminine, singular of indratoyā

indratoyā - Name of a river (literally 'Indra's water')

Compound type : tatpurusha (indra+toya)

• indra – Indra (name of a Vedic deity); chief
  proper noun (masculine)
• toya – water
  noun (neuter)
  Root: tu (class 1)

समासाद्य (samāsādya) - having reached (the river) (having reached, having approached, having obtained)

(indeclinable)

absolutive

from sam-ā-sad (to approach, reach)

Prefixes: sam+ā

Root: sad (class 1)

गन्धमादनसंनिधौ (gandhamādanasaṁnidhau) - near Mount Gandhamadana (near Gandhamadana, in the vicinity of Gandhamadana)

(noun)

Locative, masculine, singular of gandhamādanasaṃnidhi

gandhamādanasaṁnidhi - proximity to Gandhamadana (a mythical mountain)

Compound type : tatpurusha (gandhamādana+saṃnidhi)

• gandhamādana – name of a mythical mountain
  proper noun (masculine)
• saṃnidhi – proximity, vicinity, presence
  noun (masculine)
  from sam-ni-dhā (to place together)
  Prefixes: sam+ni
  Root: dhā (class 3)

करतोयाम् (karatoyām) - The river named Karatoya (Karatoya river (a river name))

(proper noun)

Accusative, feminine, singular of karatoyā

karatoyā - Name of a river (literally 'hand water')

Compound type : tatpurusha (kara+toya)

• kara – hand
  noun (masculine)
• toya – water
  noun (neuter)
  Root: tu (class 1)

कुरङ्गेषु (kuraṅgeṣu) - in the region where deer abound, or in the specific region named Kuranga (in deer, among deer, in the region of Kuranga)

(noun)

Locative, masculine, plural of kuraṅga

kuraṅga - a deer, antelope; name of a country/region

Note: Often associated with a region, not just individual animals.

त्रिरात्रोप्ओषितः (trirātropōṣitaḥ) - having fasted for three nights (one who has fasted for three nights)

(adjective)

Nominative, masculine, singular of trirātropōṣita

trirātropōṣita - one who has fasted for three nights

Compound type : bahuvrihi (tri+rātra+upoṣita)

• tri – three
  numeral
• rātra – night, nocturnal
  noun (neuter)
• upoṣita – fasted, abstained from food
  adjective (masculine)
  Past Passive Participle
  from upa-vas (to fast)
  Prefix: upa
  Root: vas (class 2)

Note: Qualifies 'naraḥ'

नरः (naraḥ) - a person (a man, a person)

(noun)

Nominative, masculine, singular of nara

nara - man, human being, person

अश्वमेधम् (aśvamedham) - the fruit/merit of an aśvamedha (Vedic ritual) (horse sacrifice, aśvamedha (Vedic ritual))

(noun)

Accusative, masculine, singular of aśvamedha

aśvamedha - horse sacrifice; a major Vedic ritual

Compound type : tatpurusha (aśva+medha)

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

Note: Refers to the merit acquired from performing such a ritual.

अवाप्न्ओति (avāpnōti) - attains (attains, obtains, reaches)

(verb)

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

from ava-āp (to obtain)

Prefix: ava

Root: āp (class 5)

विगाह्य (vigāhya) - having bathed in (the river) (having bathed in, having plunged into)

(indeclinable)

absolutive

from vi-gāh (to plunge, bathe)

Prefix: vi

Root: gāh (class 1)

नियतः (niyataḥ) - being self-controlled (restrained, self-controlled, disciplined)

(adjective)

Nominative, masculine, singular of niyata

niyata - restrained, self-controlled, disciplined

Past Passive Participle

from ni-yam (to restrain, control)

Prefix: ni

Root: yam (class 1)

Note: Qualifies 'naraḥ'

शुचिः (śuciḥ) - being pure (pure, clean, holy)

(adjective)

Nominative, masculine, singular of śuci

śuci - pure, clean, holy

Note: Qualifies 'naraḥ'