महाभारतः mahābhārataḥ - book-7, chapter-9, verse-66

तस्य नप्तारमायान्तं शैब्यं कः समवारयत् ।
द्रोणायाभिमुखं यान्तं व्यात्ताननमिवान्तकम् ॥६६॥

66. tasya naptāramāyāntaṁ śaibyaṁ kaḥ samavārayat ,
droṇāyābhimukhaṁ yāntaṁ vyāttānanamivāntakam.

66. tasya naptāram āyāntam śaibyam kaḥ samavārayat
droṇāya abhimukham yāntam vyāttānanam iva antakam

66. kaḥ tasya naptāram śaibyam āyāntam droṇāya abhimukham
yāntam vyāttānanam iva antakam samavārayat

66. Who stopped that approaching grandson, Śaibya, as he advanced against Drona, moving like Death with a wide-open mouth?

Words meanings summery:

• तस्य (tasya) - of that (implied warrior or king) (his, its, of him, of it)

• नप्तारम् (naptāram) - grandson, descendant

• आयान्तम् (āyāntam) - approaching, coming, arriving

• शैब्यम् (śaibyam) - Śaibya (a specific warrior, grandson of a king) (of the Śibi clan, a king of the Śibis, a warrior named Śaibya)

• कः (kaḥ) - who, which

• समवारयत् (samavārayat) - stopped, hindered, restrained, prevented

• द्रोणाय (droṇāya) - to Drona, for Drona

• अभिमुखम् (abhimukham) - advancing towards (Drona) (facing, towards, in front of)

• यान्तम् (yāntam) - going, moving, advancing

• व्यात्ताननम् (vyāttānanam) - having an open mouth, wide-mouthed

• इव (iva) - like, as if, as, similar to

• अन्तकम् (antakam) - Yama, the god of death (Death, the end, one who makes an end)

Words meanings and morphology

तस्य (tasya) - of that (implied warrior or king) (his, its, of him, of it)

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

नप्तारम् (naptāram) - grandson, descendant

(noun)

Accusative, masculine, singular of naptṛ

naptṛ - grandson, descendant, son's son, daughter's son

आयान्तम् (āyāntam) - approaching, coming, arriving

(adjective)

Accusative, masculine, singular of āyānt

āyānt - approaching, coming

present active participle

Derived from the root √yā (to go) with the prefix ā, forming the present participle stem.

Prefix: ā

Root: yā (class 2)

शैब्यम् (śaibyam) - Śaibya (a specific warrior, grandson of a king) (of the Śibi clan, a king of the Śibis, a warrior named Śaibya)

(proper noun)

Accusative, masculine, singular of śaibya

śaibya - descendant of Śibi, pertaining to the Śibi country or king

कः (kaḥ) - who, which

(pronoun)

Nominative, masculine, singular of kim

kim - who, what, which

समवारयत् (samavārayat) - stopped, hindered, restrained, prevented

(verb)

3rd person , singular, active, past imperfect (laṅ) of sam-ava-√vṛ

causative

Imperfect 3rd person singular active of the causative stem of root √vṛ, with prefixes sam and ava.

Prefixes: sam+ava

Root: vṛ (class 5)

द्रोणाय (droṇāya) - to Drona, for Drona

(proper noun)

Dative, masculine, singular of droṇa

droṇa - Drona (name of a preceptor)

अभिमुखम् (abhimukham) - advancing towards (Drona) (facing, towards, in front of)

(indeclinable)

Compound type : tatpurusha (abhi+mukha)

• abhi – towards, against, over
  indeclinable
• mukha – face, mouth, front
  noun (neuter)

Note: Used adverbially here.

यान्तम् (yāntam) - going, moving, advancing

(adjective)

Accusative, masculine, singular of yānt

yānt - going, moving

present active participle

Derived from the root √yā (to go), forming the present participle stem.

Root: yā (class 2)

व्यात्ताननम् (vyāttānanam) - having an open mouth, wide-mouthed

(adjective)

Accusative, masculine, singular of vyāttānana

vyāttānana - having a wide-open mouth, with gaping mouth

Compound type : bahuvrihi (vyātta+ānana)

• vyātta – wide open, gaping
  adjective (neuter)
  past passive participle
  Past passive participle of root √ā + vi.
  Prefix: vi
  Root: ā (class 2)
• ānana – mouth, face
  noun (neuter)

इव (iva) - like, as if, as, similar to

(indeclinable)

अन्तकम् (antakam) - Yama, the god of death (Death, the end, one who makes an end)

(noun)

Accusative, masculine, singular of antaka

antaka - one who makes an end, destroyer; Death, Yama

Derived from anta (end) + -ka suffix.