महाभारतः mahābhārataḥ - book-8, chapter-37, verse-23

निश्चेष्टांस्तु ततो योधानवधीत्पाण्डुनन्दनः ।
यथेन्द्रः समरे दैत्यांस्तारकस्य वधे पुरा ॥२३॥

23. niśceṣṭāṁstu tato yodhānavadhītpāṇḍunandanaḥ ,
yathendraḥ samare daityāṁstārakasya vadhe purā.

23. niśceṣṭān tu tataḥ yodhān avadhīt pāṇḍunandanaḥ
yathā indraḥ samare daityān tārakasya vadhe purā

23. tataḥ pāṇḍunandanaḥ tu niśceṣṭān yodhān avadhīt,
yathā indraḥ purā tārakasya vadhe samare daityān (avadhīt)

23. Then, the son of Pāṇḍu slew those motionless warriors, just as Indra, in ancient times, killed the demons (daitya) in battle during the slaying of Tāraka.

Words meanings summery:

• निश्चेष्टान् (niśceṣṭān) - the motionless warriors (motionless, inactive)

• तु (tu) - but, indeed, however

• ततः (tataḥ) - then, thereupon, from that

• योधान् (yodhān) - warriors, fighters

• अवधीत् (avadhīt) - he killed, he slew

• पाण्डुनन्दनः (pāṇḍunandanaḥ) - Arjuna, son of Pāṇḍu (son of Pāṇḍu)

• यथा (yathā) - just as, as, in which way

• इन्द्रः (indraḥ) - Indra (name of a Vedic deity)

• समरे (samare) - in battle, in war

• दैत्यान् (daityān) - the Daitya demons (specific class of demons) (demons, Daityas)

• तारकस्य (tārakasya) - of Tāraka

• वधे (vadhe) - during the slaying of Tāraka (at the slaying, in the killing)

• पुरा (purā) - formerly, in ancient times, long ago

Words meanings and morphology

निश्चेष्टान् (niśceṣṭān) - the motionless warriors (motionless, inactive)

(adjective)

Accusative, masculine, plural of niśceṣṭa

niśceṣṭa - motionless, inactive, inert, without effort

Compound type : bahuvrīhi (nis+ceṣṭā)

• nis – without, out, free from
  indeclinable
• ceṣṭā – movement, action, effort
  noun (feminine)
  Root: √ceṣṭ (class 1)

तु (tu) - but, indeed, however

(indeclinable)

ततः (tataḥ) - then, thereupon, from that

(indeclinable)

योधान् (yodhān) - warriors, fighters

(noun)

Accusative, masculine, plural of yodha

yodha - warrior, fighter, soldier

Root: √yudh (class 4)

अवधीत् (avadhīt) - he killed, he slew

(verb)

3rd person , singular, active, aorist (luṅ) of han

Aorist tense (Luṅ) form of root √han, using substitute root √vadh

Root: √han (class 2)

पाण्डुनन्दनः (pāṇḍunandanaḥ) - Arjuna, son of Pāṇḍu (son of Pāṇḍu)

(proper noun)

Nominative, masculine, singular of pāṇḍunandana

pāṇḍunandana - son of Pāṇḍu

Compound type : tatpuruṣa (pāṇḍu+nandana)

• pāṇḍu – Pāṇḍu (name of a king, father of the Pāṇḍavas)
  proper noun (masculine)
• nandana – son, child, delight, gladdening
  noun (masculine)
  Derived from root √nand 'to rejoice'
  Root: √nand (class 1)

यथा (yathā) - just as, as, in which way

(indeclinable)

इन्द्रः (indraḥ) - Indra (name of a Vedic deity)

(proper noun)

Nominative, masculine, singular of indra

indra - Indra (chief of the gods, deity of rain and thunder)

समरे (samare) - in battle, in war

(noun)

Locative, masculine, singular of samara

samara - battle, war, combat

दैत्यान् (daityān) - the Daitya demons (specific class of demons) (demons, Daityas)

(proper noun)

Accusative, masculine, plural of daitya

daitya - a demon, a son of Diti (antagonistic to the gods)

Derived from Diti (mother of demons)

तारकस्य (tārakasya) - of Tāraka

(proper noun)

Genitive, masculine, singular of tāraka

tāraka - Tāraka (name of a powerful demon killed by Kārttikeya, son of Śiva)

वधे (vadhe) - during the slaying of Tāraka (at the slaying, in the killing)

(noun)

Locative, masculine, singular of vadha

vadha - killing, slaying, murder, destruction

Derived from root √han 'to strike, kill'

Root: √han (class 2)

पुरा (purā) - formerly, in ancient times, long ago

(indeclinable)