महाभारतः mahābhārataḥ - book-7, chapter-28, verse-38

समासाद्य तु तं नागं बाणो वज्र इवाचलम् ।
अभ्यगात्सह पुङ्खेन वल्मीकमिव पन्नगः ॥३८॥

38. samāsādya tu taṁ nāgaṁ bāṇo vajra ivācalam ,
abhyagātsaha puṅkhena valmīkamiva pannagaḥ.

38. samāsādya tu tam nāgam bāṇaḥ vajraḥ iva acalam
abhyagāt saha puṅkhena valmīkam iva pannagaḥ

38. तु तम् नागम् समासाद्य बाणः वज्रः अचलम् इव
पुङ्खेन सह वल्मीकम् इव पन्नगः अभ्यगात्

38. The arrow, having struck that elephant like a thunderbolt strikes a mountain, penetrated completely with its shaft, just as a snake enters an anthill.

Words meanings summery:

• समासाद्य (samāsādya) - having reached, having struck, having approached

• तु (tu) - but, indeed, however

• तम् (tam) - that, him

• नागम् (nāgam) - the elephant (the elephant, a snake)

• बाणः (bāṇaḥ) - the arrow

• वज्रः (vajraḥ) - a thunderbolt (a thunderbolt, diamond)

• इव (iva) - like, as, as if

• अचलम् (acalam) - a mountain (a mountain, immovable (thing))

• अभ्यगात् (abhyagāt) - it went towards, it penetrated, it approached

• सह (saha) - with, together with

• पुङ्खेन (puṅkhena) - with the feathered part (of an arrow), with the shaft

• वल्मीकम् (valmīkam) - an anthill, a termite mound

• इव (iva) - like, as, as if

• पन्नगः (pannagaḥ) - a snake, serpent

Words meanings and morphology

समासाद्य (samāsādya) - having reached, having struck, having approached

(indeclinable)

Absolutive (Gerund)

Absolutive formed from the root sad (सद्) with prefixes sam (सम्) and ā (आ).

Prefixes: sam+ā

Root: sad (class 1)

तु (tu) - but, indeed, however

(indeclinable)

तम् (tam) - that, him

(pronoun)

Accusative, masculine, singular of tad

tad - that, this, he, she, it

नागम् (nāgam) - the elephant (the elephant, a snake)

(noun)

Accusative, masculine, singular of nāga

nāga - snake, serpent; elephant

बाणः (bāṇaḥ) - the arrow

(noun)

Nominative, masculine, singular of bāṇa

bāṇa - arrow

वज्रः (vajraḥ) - a thunderbolt (a thunderbolt, diamond)

(noun)

Nominative, masculine, singular of vajra

vajra - thunderbolt, diamond, Indra's weapon

इव (iva) - like, as, as if

(indeclinable)

अचलम् (acalam) - a mountain (a mountain, immovable (thing))

(noun)

Accusative, masculine, singular of acala

acala - immovable, mountain

Compound type : nañ-tatpuruṣa (a+cala)

• a – not, un-
  indeclinable
• cala – moving, movable
  adjective (masculine)
  Root: cal (class 1)

अभ्यगात् (abhyagāt) - it went towards, it penetrated, it approached

(verb)

3rd person , singular, active, imperfect (laṅ) of abhi-i

Imperfect tense, 3rd person singular, active voice of the root i (इ) with prefix abhi (अभि).

Prefix: abhi

Root: i (class 2)

सह (saha) - with, together with

(indeclinable)

पुङ्खेन (puṅkhena) - with the feathered part (of an arrow), with the shaft

(noun)

Instrumental, masculine, singular of puṅkha

puṅkha - feathered part of an arrow, shaft, tail-end

वल्मीकम् (valmīkam) - an anthill, a termite mound

(noun)

Accusative, neuter, singular of valmīka

valmīka - anthill, termite mound

इव (iva) - like, as, as if

(indeclinable)

पन्नगः (pannagaḥ) - a snake, serpent

(noun)

Nominative, masculine, singular of pannaga

pannaga - snake, serpent (lit. 'moving with feet/belly')