महाभारतः mahābhārataḥ - book-7, chapter-131, verse-114

निमेषान्तरमात्रेण साश्वसूतरथद्विपाम् ।
अक्षौहिणीं राक्षसानां शितैर्बाणैरशातयत् ॥११४॥

114. nimeṣāntaramātreṇa sāśvasūtarathadvipām ,
akṣauhiṇīṁ rākṣasānāṁ śitairbāṇairaśātayat.

114. nimeṣāntaramātreṇa sāśvasūtarathadvipām
akṣauhiṇīm rākṣasānām śitaiḥ bāṇaiḥ aśātayat

114. saḥ (implied) nimeṣāntaramātreṇa śitaiḥ bāṇaiḥ
rākṣasānām sāśvasūtarathadvipām akṣauhiṇīm aśātayat

114. In merely the space of a moment, he slaughtered an akṣauhiṇī (army division) of demons—including their horses, charioteers, chariots, and elephants—with sharp arrows.

Words meanings summery:

• निमेषान्तरमात्रेण (nimeṣāntaramātreṇa) - by merely the interval of a blink, in the space of a moment

• साश्वसूतरथद्विपाम् (sāśvasūtarathadvipām) - of those with horses, charioteers, chariots, and elephants

• अक्षौहिणीम् (akṣauhiṇīm) - an akṣauhiṇī (a large army division)

• राक्षसानाम् (rākṣasānām) - of demons, of rākṣasas

• शितैः (śitaiḥ) - by sharp, by whetted

• बाणैः (bāṇaiḥ) - by arrows

• अशातयत् (aśātayat) - he slaughtered, he destroyed, he caused to fall

Words meanings and morphology

निमेषान्तरमात्रेण (nimeṣāntaramātreṇa) - by merely the interval of a blink, in the space of a moment

(adjective)

Instrumental, neuter, singular of nimeṣāntaramātra

nimeṣāntaramātra - merely an interval of a blink, only a moment

Compound type : tatpuruṣa (nimeṣa+antara+mātra)

• nimeṣa – blink of an eye, twinkling
  noun (masculine)
  Prefix: ni
  Root: miṣ (class 6)
• antara – interval, space, difference
  noun (neuter)
• mātra – mere, only, measure, quantity
  adjective (neuter)

साश्वसूतरथद्विपाम् (sāśvasūtarathadvipām) - of those with horses, charioteers, chariots, and elephants

(adjective)

Genitive, plural of sāśvasūtarathadvipa

sāśvasūtarathadvipa - with horses, charioteers, chariots, and elephants; accompanied by cavalry, chariots, and elephants

Compound type : bahuvrīhi (sa+aśva+sūta+ratha+dvipa)

• sa – with, accompanied by
  indeclinable
• aśva – horse
  noun (masculine)
• sūta – charioteer
  noun (masculine)
  Past Passive Participle
  Derived from root sū (to impel, to drive)
  Root: sū (class 2)
• ratha – chariot
  noun (masculine)
• dvipa – elephant (one who drinks twice - with trunk and mouth)
  noun (masculine)
  Formed from dvi (two) + pa (drinker)
  Root: pā (class 1)

Note: Modifies 'rākṣasānām'.

अक्षौहिणीम् (akṣauhiṇīm) - an akṣauhiṇī (a large army division)

(noun)

Accusative, feminine, singular of akṣauhiṇī

akṣauhiṇī - a large army division, typically consisting of 21,870 chariots, 21,870 elephants, 65,610 cavalry, and 109,350 infantry

राक्षसानाम् (rākṣasānām) - of demons, of rākṣasas

(noun)

Genitive, masculine, plural of rākṣasa

rākṣasa - demon, evil spirit, member of a class of mythological beings

Derived from 'rakṣas'

शितैः (śitaiḥ) - by sharp, by whetted

(adjective)

Instrumental, masculine, plural of śita

śita - sharp, whetted, keen, pointed

Past Passive Participle

Derived from root śo (to sharpen, to whet)

Root: śo (class 4)

Note: Agrees with 'bāṇaiḥ'.

बाणैः (bāṇaiḥ) - by arrows

(noun)

Instrumental, masculine, plural of bāṇa

bāṇa - arrow

अशातयत् (aśātayat) - he slaughtered, he destroyed, he caused to fall

(verb)

3rd person , singular, active, past imperfect (luṅ) of śātaya

Causative aorist (luṅ)

Derived from root śad/śat (to fall, to shed) in causative. The 'a-' is augment for past tense.

Root: śad (class 1)