महाभारतः mahābhārataḥ - book-5, chapter-81, verse-21

तं मेरुशिखरप्रख्यं मेघदुन्दुभिनिस्वनम् ।
आरुरोह रथं शौरिर्विमानमिव पुण्यकृत् ॥२१॥

21. taṁ meruśikharaprakhyaṁ meghadundubhinisvanam ,
āruroha rathaṁ śaurirvimānamiva puṇyakṛt.

21. tam meruśikharaprakhyam meghadundubhinisvanam
āruroha ratham śauriḥ vimānam iva puṇyakṛt

21. Shauri (Krishna), like a performer of meritorious deeds (puṇyakṛt) ascending a celestial palace (vimāna), mounted that chariot which resembled a peak of Mount Meru and had the roar of thunder-drums.

Words meanings summery:

• तम् (tam) - that (chariot) (that, him, it)

• मेरुशिखरप्रख्यम् (meruśikharaprakhyam) - resembling the peak of Meru

• मेघदुन्दुभिनिस्वनम् (meghadundubhinisvanam) - having the sound of thunder-drums, roaring like thunder-drums

• आरुरोह (āruroha) - ascended, mounted

• रथम् (ratham) - chariot

• शौरिः (śauriḥ) - Krishna (Shauri, descendant of Shura)

• विमानम् (vimānam) - celestial palace, aerial car, plane

• इव (iva) - like, as, as if

• पुण्यकृत् (puṇyakṛt) - one who performs meritorious deeds, virtuous

Words meanings and morphology

तम् (tam) - that (chariot) (that, him, it)

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

Note: Refers to 'ratham'.

मेरुशिखरप्रख्यम् (meruśikharaprakhyam) - resembling the peak of Meru

(adjective)

Accusative, masculine, singular of meruśikharaprakhya

meruśikharaprakhya - resembling the peak of Meru

Compound type : tatpuruṣa (meru+śikhara+prakhya)

• meru – Mount Meru (mythical mountain)
  proper noun (masculine)
• śikhara – peak, summit, crest
  noun (neuter)
• prakhya – resembling, like
  adjective (masculine)
  Prefix: pra

Note: Modifies 'ratham'.

मेघदुन्दुभिनिस्वनम् (meghadundubhinisvanam) - having the sound of thunder-drums, roaring like thunder-drums

(adjective)

Accusative, masculine, singular of meghadundubhinisvana

meghadundubhinisvana - having the sound of thunder-drums

Compound type : tatpuruṣa (megha+dundubhi+nisvana)

• megha – cloud
  noun (masculine)
• dundubhi – drum, war-drum
  noun (masculine)
• nisvana – sound, roar, noise
  noun (masculine)
  Prefix: ni
  Root: svan (class 1)

Note: Modifies 'ratham'.

आरुरोह (āruroha) - ascended, mounted

(verb)

3rd person , singular, active, past perfect (lit) of ā-ruh

Perfect Active

Derived from root √ruh with prefix ā, perfect active third person singular.

Prefix: ā

Root: ruh (class 1)

रथम् (ratham) - chariot

(noun)

Accusative, masculine, singular of ratha

ratha - chariot, car

Note: Object of 'āruroha'.

शौरिः (śauriḥ) - Krishna (Shauri, descendant of Shura)

(proper noun)

Nominative, masculine, singular of śauri

śauri - descendant of Shura; Krishna (proper name)

Note: Subject of 'āruroha'.

विमानम् (vimānam) - celestial palace, aerial car, plane

(noun)

Accusative, neuter, singular of vimāna

vimāna - celestial palace, aerial car, plane, chariot of the gods

Note: Object of implied 'ascending' in the simile.

इव (iva) - like, as, as if

(indeclinable)

Note: particle of comparison.

पुण्यकृत् (puṇyakṛt) - one who performs meritorious deeds, virtuous

(adjective)

Nominative, masculine, singular of puṇyakṛt

puṇyakṛt - one who performs meritorious deeds, virtuous, righteous

Compound type : tatpuruṣa (puṇya+kṛt)

• puṇya – merit, virtue, righteousness, good deed
  noun (neuter)
• kṛt – making, doing, causing (agent suffix)
  adjective (masculine)
  Agent suffix
  Derived from root √kṛ (to do, make)
  Root: kṛ (class 8)

Note: Refers to 'śauriḥ' in the simile.