महाभारतः mahābhārataḥ - book-6, chapter-112, verse-138

एतस्मिन्नेव काले तु कौन्तेयः श्वेतवाहनः ।
निजघ्ने तावकं सैन्यं मोहयित्वा पितामहम् ॥१३८॥

138. etasminneva kāle tu kaunteyaḥ śvetavāhanaḥ ,
nijaghne tāvakaṁ sainyaṁ mohayitvā pitāmaham.

138. etasmin eva kāle tu kaunteyaḥ śvetavāhanaḥ
nijaghne tāvakam sainyam mohayitvā pitāmaham

138. tu etasmin eva kāle kaunteyaḥ śvetavāhanaḥ
pitāmaham mohayitvā tāvakam sainyam nijaghne

138. Indeed, at that very moment, Arjuna (Kaunteya), whose charioteer drove white steeds, having bewildered the grandfather (Bhishma), struck down your army.

Words meanings summery:

• एतस्मिन् (etasmin) - in this, in that

• एव (eva) - indeed, just, only, very

• काले (kāle) - in time, at the time

• तु (tu) - but, indeed, however

• कौन्तेयः (kaunteyaḥ) - Arjuna (son of Kunti)

• श्वेतवाहनः (śvetavāhanaḥ) - Arjuna (whose chariot was drawn by white horses) (having white steeds/vehicles)

• निजघ्ने (nijaghne) - killed, slew, struck down

• तावकम् (tāvakam) - your (Duryodhana's) (your, belonging to you)

• सैन्यम् (sainyam) - army, host

• मोहयित्वा (mohayitvā) - having bewildered, having deluded, having confused

• पितामहम् (pitāmaham) - Bhishma (grandfather)

Words meanings and morphology

एतस्मिन् (etasmin) - in this, in that

(pronoun)

Locative, masculine, singular of etad

etad - this, that

Note: Refers to 'kāle'.

एव (eva) - indeed, just, only, very

(indeclinable)

Note: Emphatic particle.

काले (kāle) - in time, at the time

(noun)

Locative, masculine, singular of kāla

kāla - time, season, moment

तु (tu) - but, indeed, however

(indeclinable)

कौन्तेयः (kaunteyaḥ) - Arjuna (son of Kunti)

(proper noun)

Nominative, masculine, singular of kaunteya

kaunteya - son of Kunti

Patronymic from Kuntī.

Note: Refers to Arjuna.

श्वेतवाहनः (śvetavāhanaḥ) - Arjuna (whose chariot was drawn by white horses) (having white steeds/vehicles)

(adjective)

Nominative, masculine, singular of śvetavāhana

śvetavāhana - having white steeds, having white vehicles

Compound type : bahuvrihi (śveta+vāhana)

• śveta – white, bright
  adjective (masculine)
• vāhana – vehicle, steed, mount
  noun (masculine)
  Derived from root vah- 'to carry'.
  Root: vah (class 1)

Note: Epithet for Arjuna.

निजघ्ने (nijaghne) - killed, slew, struck down

(verb)

3rd person , singular, active, past perfect (lit) of ni-han

Perfect

Derived from root han- 'to strike, to kill' with prefix ni-.

Prefix: ni

Root: han (class 2)

तावकम् (tāvakam) - your (Duryodhana's) (your, belonging to you)

(adjective)

Accusative, neuter, singular of tāvaka

tāvaka - your, belonging to you

Note: Modifies 'sainyam'.

सैन्यम् (sainyam) - army, host

(noun)

Accusative, neuter, singular of sainya

sainya - army, host, military force

मोहयित्वा (mohayitvā) - having bewildered, having deluded, having confused

(indeclinable)

Absolutive (Gerund)

Derived from the causative stem of root muh- 'to confuse, to delude'.

Root: muh (class 4)

पितामहम् (pitāmaham) - Bhishma (grandfather)

(noun)

Accusative, masculine, singular of pitāmaha

pitāmaha - paternal grandfather

Note: Refers to Bhishma.