महाभारतः mahābhārataḥ - book-8, chapter-32, verse-68

दुःशासनं तु शैनेयो नवैर्नवभिराशुगैः ।
विसूताश्वरथं कृत्वा ललाटे त्रिभिरार्पयत् ॥६८॥

68. duḥśāsanaṁ tu śaineyo navairnavabhirāśugaiḥ ,
visūtāśvarathaṁ kṛtvā lalāṭe tribhirārpayat.

68. duḥśāsanam tu śaineyaḥ navaiḥ navabhiḥ āśugaiḥ
visūtāśvaratham kṛtvā lalāṭe tribhiḥ ārapayat

68. śaineyaḥ duḥśāsanam navaiḥ navabhiḥ āśugaiḥ
visūtāśvaratham kṛtvā tu tribhiḥ lalāṭe ārapayat

68. Śaineya, however, using eighty-one swift arrows, first deprived Duḥśāsana of his charioteer, horses, and chariot. Then, he struck him on the forehead with three (more arrows).

Words meanings summery:

• दुःशासनम् (duḥśāsanam) - Duḥśāsana

• तु (tu) - however (but, however, indeed, moreover)

• शैनेयः (śaineyaḥ) - Śaineya (Sātyaki) (Śaineya (a name of Yuyudhāna or Sātyaki))

• नवैः (navaiḥ) - with nine (arrows) (with nine)

• नवभिः (navabhiḥ) - with nine (arrows) (navaiḥ navabhiḥ means 'with nine times nine', i.e., eighty-one) (with nine)

• आशुगैः (āśugaiḥ) - with swift-moving arrows (with swift-moving (things), with arrows)

• विसूताश्वरथम् (visūtāśvaratham) - deprived of his charioteer, horses, and chariot (charioteer-horse-chariot-less, deprived of charioteer, horses, and chariot)

• कृत्वा (kṛtvā) - having rendered (having done, having made, having rendered)

• ललाटे (lalāṭe) - on the forehead

• त्रिभिः (tribhiḥ) - with three (arrows) (with three)

• आरपयत् (ārapayat) - he struck (he caused to reach, he struck)

Words meanings and morphology

दुःशासनम् (duḥśāsanam) - Duḥśāsana

(proper noun)

Accusative, masculine, singular of duḥśāsana

duḥśāsana - Duḥśāsana (a proper name, lit. 'hard to rule' or 'bad ruler')

तु (tu) - however (but, however, indeed, moreover)

(indeclinable)

शैनेयः (śaineyaḥ) - Śaineya (Sātyaki) (Śaineya (a name of Yuyudhāna or Sātyaki))

(proper noun)

Nominative, masculine, singular of śaineya

śaineya - Śaineya (son of Śini, an epithet for Yuyudhāna or Sātyaki)

नवैः (navaiḥ) - with nine (arrows) (with nine)

(numeral)

नवभिः (navabhiḥ) - with nine (arrows) (navaiḥ navabhiḥ means 'with nine times nine', i.e., eighty-one) (with nine)

(numeral)

Note: Used in combination with 'navaiḥ' to mean 'ninety-nine' or 'nine times nine', here 81.

आशुगैः (āśugaiḥ) - with swift-moving arrows (with swift-moving (things), with arrows)

(noun)

Instrumental, masculine, plural of āśuga

āśuga - swift-moving, an arrow

विसूताश्वरथम् (visūtāśvaratham) - deprived of his charioteer, horses, and chariot (charioteer-horse-chariot-less, deprived of charioteer, horses, and chariot)

(adjective)

Accusative, masculine, singular of visūtāśvaratha

visūtāśvaratha - one whose charioteer, horses, and chariot are gone or destroyed

Compound type : bahuvrīhi (vigata+sūta+aśva+ratha)

• vigata – gone, departed, deprived of, without
  adjective (masculine)
  Past Passive Participle
  formed from root gam with upasarga vi
  Prefix: vi
  Root: gam (class 1)
• sūta – charioteer, bard
  noun (masculine)
• aśva – horse
  noun (masculine)
• ratha – chariot
  noun (masculine)

Note: This adjective describes Duḥśāsana (understood from context) or his chariot.

कृत्वा (kṛtvā) - having rendered (having done, having made, having rendered)

(indeclinable)

absolutive

formed from root kṛ with suffix -tvā

Root: kṛ (class 8)

ललाटे (lalāṭe) - on the forehead

(noun)

Locative, neuter, singular of lalāṭa

lalāṭa - forehead

त्रिभिः (tribhiḥ) - with three (arrows) (with three)

(numeral)

आरपयत् (ārapayat) - he struck (he caused to reach, he struck)

(verb)

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

causative

Imperfect 3rd person singular active of the causative of root ṛ (to go, move, reach) with upasarga ā

Prefix: ā

Root: ṛ (class 1)