महाभारतः mahābhārataḥ - book-1, chapter-26, verse-21

स तं गत्वा क्षणेनैव पर्वतं वचनात्पितुः ।
अमुञ्चन्महतीं शाखां सस्वनां तत्र खेचरः ॥२१॥

21. sa taṁ gatvā kṣaṇenaiva parvataṁ vacanātpituḥ ,
amuñcanmahatīṁ śākhāṁ sasvanāṁ tatra khecaraḥ.

21. sa tam gatvā kṣaṇena eva parvatam vacanāt pituḥ
amuñcat mahatīm śākhām sasvanām tatra khecaraḥ

21. Having reached that mountain in an instant, at his father's command, the sky-dweller (Garuda) then released a huge, noisy branch there.

Words meanings summery:

• स (sa) - he (referring to Garuda) (he, that)

• तम् (tam) - that (mountain) (him, that)

• गत्वा (gatvā) - having reached (having gone)

• क्षणेन (kṣaṇena) - in an instant (in a moment, instantly)

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

• पर्वतम् (parvatam) - the mountain (mountain)

• वचनात् (vacanāt) - at the command (from the word, by the command)

• पितुः (pituḥ) - of his father (of the father)

• अमुञ्चत् (amuñcat) - he released, let fall (he released, he let go)

• महतीम् (mahatīm) - huge (great, huge (feminine))

• शाखाम् (śākhām) - branch

• सस्वनाम् (sasvanām) - noisy, resounding (noisy, sounding (feminine))

• तत्र (tatra) - there (there, in that place)

• खेचरः (khecaraḥ) - the sky-dweller (Garuda) (sky-walker, bird, deity)

Words meanings and morphology

स (sa) - he (referring to Garuda) (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

तम् (tam) - that (mountain) (him, that)

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

गत्वा (gatvā) - having reached (having gone)

(indeclinable)

absolutive

√gam + ktvā

Root: gam (class 1)

क्षणेन (kṣaṇena) - in an instant (in a moment, instantly)

(noun)

Instrumental, masculine, singular of kṣaṇa

kṣaṇa - moment, instant, short time

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

(indeclinable)

पर्वतम् (parvatam) - the mountain (mountain)

(noun)

Accusative, masculine, singular of parvata

parvata - mountain, hill

वचनात् (vacanāt) - at the command (from the word, by the command)

(noun)

Ablative, neuter, singular of vacana

vacana - word, speech, command

action noun

√vac + ana

Root: vac (class 2)

पितुः (pituḥ) - of his father (of the father)

(noun)

Genitive, masculine, singular of pitṛ

pitṛ - father, ancestor

अमुञ्चत् (amuñcat) - he released, let fall (he released, he let go)

(verb)

3rd person , singular, active, past imperfect (laṅ) of muñc

Root: muc (class 6)

महतीम् (mahatīm) - huge (great, huge (feminine))

(adjective)

Accusative, feminine, singular of mahat

mahat - great, large, important

शाखाम् (śākhām) - branch

(noun)

Accusative, feminine, singular of śākhā

śākhā - branch, bough, division

सस्वनाम् (sasvanām) - noisy, resounding (noisy, sounding (feminine))

(adjective)

Accusative, feminine, singular of sasvana

sasvana - accompanied by sound, noisy

Compound type : bahuvrīhi (sa+svana)

• sa – with, accompanied by
  indeclinable
• svana – sound, noise
  noun (masculine)
  action noun
  √svan + a
  Root: svan (class 1)

तत्र (tatra) - there (there, in that place)

(indeclinable)

खेचरः (khecaraḥ) - the sky-dweller (Garuda) (sky-walker, bird, deity)

(noun)

Nominative, masculine, singular of khecara

khecara - moving in the air/sky, sky-walker, bird, deity

Compound type : upapada-tatpuruṣa (kha+cara)

• kha – sky, space, ether
  noun (neuter)
• cara – moving, going, a mover
  verb_base (masculine)
  agent noun
  √car + a
  Root: car (class 1)