महाभारतः mahābhārataḥ - book-3, chapter-82, verse-133

ताम्रारुणं समासाद्य ब्रह्मचारी समाहितः ।
अश्वमेधमवाप्नोति शक्रलोकं च गच्छति ॥१३३॥

133. tāmrāruṇaṁ samāsādya brahmacārī samāhitaḥ ,
aśvamedhamavāpnoti śakralokaṁ ca gacchati.

133. tāmraruṇam samāsādya brahmacārī samāhitaḥ
aśvamedham avāpnoti śakralokam ca gacchati

133. brahmacārī samāhitaḥ tāmraruṇam samāsādya
aśvamedham avāpnoti ca śakralokam gacchati

133. A celibate student (brahmacārī), having reached the copper-red (place/river/confluence) and being concentrated, attains the fruit of the great horse Vedic ritual (aśvamedha) and goes to the realm of Indra.

Words meanings summery:

• ताम्ररुणम् (tāmraruṇam) - refers to a sacred place or confluence, possibly at dawn, characterized by a copper-red hue (copper-red, reddish-brown)

• समासाद्य (samāsādya) - having arrived at a sacred place (having reached, having approached, having obtained)

• ब्रह्मचारी (brahmacārī) - a student following a disciplined religious life of celibacy and study (a celibate student, one who observes the conduct of Brahman, a religious student)

• समाहितः (samāhitaḥ) - being mentally focused and disciplined in spiritual practice (concentrated, composed, attentive, self-controlled)

• अश्वमेधम् (aśvamedham) - the specific grand Vedic ritual (aśvamedha) whose fruit is attained (horse Vedic ritual)

• अवाप्नोति (avāpnoti) - achieves the merit or result of performing the Vedic ritual (obtains, attains, reaches)

• शक्रलोकम् (śakralokam) - the celestial abode of the deity Indra (the world of Indra, Indra's realm)

• च (ca) - connecting the two results: attaining the ritual's fruit and going to Indra's realm (and)

• गच्छति (gacchati) - goes to the celestial realm of Indra (goes, proceeds)

Words meanings and morphology

ताम्ररुणम् (tāmraruṇam) - refers to a sacred place or confluence, possibly at dawn, characterized by a copper-red hue (copper-red, reddish-brown)

(adjective)

Accusative, neuter, singular of tāmraruṇa

tāmraruṇa - copper-red, reddish, coppery-red

Compound type : karmadhāraya (tāmra+aruṇa)

• tāmra – copper; coppery
  noun (neuter)
• aruṇa – red, reddish; dawn; charioteer of the sun
  adjective (masculine)

समासाद्य (samāsādya) - having arrived at a sacred place (having reached, having approached, having obtained)

(indeclinable)

gerund/absolutive

Formed from sam + ā + root sad (to sit, approach) with lyap suffix

Prefixes: sam+ā

Root: sad (class 1)

Note: Gerund formed with lyap suffix

ब्रह्मचारी (brahmacārī) - a student following a disciplined religious life of celibacy and study (a celibate student, one who observes the conduct of Brahman, a religious student)

(noun)

Nominative, masculine, singular of brahmacārin

brahmacārin - a celibate student, one who observes the conduct of Brahman, a religious student

Derived from brahman (Veda/sacred knowledge/Brahman) and car (to move, conduct)

Compound type : tatpurusha (brahman+carin)

• brahman – sacred utterance, Veda, ultimate reality (Brahman)
  noun (neuter)
• carin – moving, behaving, observing
  adjective (masculine)
  agent noun
  Derived from root car with -in suffix
  Root: car (class 1)

Note: Long 'ī' due to masculine nominative singular ending

समाहितः (samāhitaḥ) - being mentally focused and disciplined in spiritual practice (concentrated, composed, attentive, self-controlled)

(adjective)

Nominative, masculine, singular of samāhita

samāhita - concentrated, composed, attentive, self-controlled

Past Passive Participle

Formed from sam + ā + root dhā (to place, set) with kta suffix

Prefixes: sam+ā

Root: dhā (class 3)

Note: Agrees with brahmacārī

अश्वमेधम् (aśvamedham) - the specific grand Vedic ritual (aśvamedha) whose fruit is attained (horse Vedic ritual)

(noun)

Accusative, masculine, singular of aśvamedha

aśvamedha - horse Vedic ritual

Compound type : tatpurusha (aśva+medha)

• aśva – horse
  noun (masculine)
• medha – ritual, oblation, sap, marrow
  noun (masculine)

Note: Object of avāpnoti

अवाप्नोति (avāpnoti) - achieves the merit or result of performing the Vedic ritual (obtains, attains, reaches)

(verb)

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

Present active indicative, 3rd person singular

From ava + root āp (to obtain)

Prefix: ava

Root: āp (class 5)

शक्रलोकम् (śakralokam) - the celestial abode of the deity Indra (the world of Indra, Indra's realm)

(noun)

Accusative, masculine, singular of śakraloka

śakraloka - the world of Indra

Compound type : tatpurusha (śakra+loka)

• śakra – Indra (name of a deity); mighty, powerful
  proper noun (masculine)
• loka – world, realm, people
  noun (masculine)

Note: Object of gacchati

च (ca) - connecting the two results: attaining the ritual's fruit and going to Indra's realm (and)

(indeclinable)

गच्छति (gacchati) - goes to the celestial realm of Indra (goes, proceeds)

(verb)

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

Present active indicative, 3rd person singular

Root gam of class 1

Root: gam (class 1)