महाभारतः mahābhārataḥ - book-7, chapter-157, verse-16

सविशेषं त्वमोघायाः कृष्णोऽरक्षत पाण्डवम् ।
हन्यात्क्षिप्ता हि कौन्तेयं शक्तिर्वृक्षमिवाशनिः ॥१६॥

16. saviśeṣaṁ tvamoghāyāḥ kṛṣṇo'rakṣata pāṇḍavam ,
hanyātkṣiptā hi kaunteyaṁ śaktirvṛkṣamivāśaniḥ.

16. sa viśeṣam tu amoghāyāḥ kṛṣṇaḥ arakṣata pāṇḍavam
hanyāt kṣiptā hi kaunteyam śaktiḥ vṛkṣam iva aśaniḥ

16. tu kṛṣṇaḥ pāṇḍavam amoghāyāḥ sa viśeṣam arakṣata hi
kṣiptā śaktiḥ aśaniḥ vṛkṣam iva kaunteyam hanyāt

16. Indeed, Krishna (Kṛṣṇa) especially protected Arjuna (Pāṇḍava) from the unfailing missile (śakti). For that spear (śakti), if hurled, would have surely killed Arjuna (Kaunteya), just as a thunderbolt fells a tree.

Words meanings summery:

• स (sa) - with, together with

• विशेषम् (viśeṣam) - especially (particularity, distinction, especially)

• तु (tu) - indeed (but, indeed, on the other hand)

• अमोघायाः (amoghāyāḥ) - of the unfailing (missile/śakti) (of the unfailing, of the infallible)

• कृष्णः (kṛṣṇaḥ) - Krishna (Kṛṣṇa) (Krishna)

• अरक्षत (arakṣata) - protected

• पाण्डवम् (pāṇḍavam) - Arjuna (Pāṇḍava) (the son of Pāṇḍu, Arjuna)

• हन्यात् (hanyāt) - would kill, should kill

• क्षिप्ता (kṣiptā) - thrown, hurled

• हि (hi) - for (indeed, for, because)

• कौन्तेयम् (kaunteyam) - Arjuna (Kaunteya) (son of Kuntī, Arjuna)

• शक्तिः (śaktiḥ) - the missile/spear (śakti) (power, strength, missile, spear)

• वृक्षम् (vṛkṣam) - tree

• इव (iva) - like, as

• अशनिः (aśaniḥ) - thunderbolt, lightning

Words meanings and morphology

स (sa) - with, together with

(indeclinable)

Note: Part of the adverbial phrase 'sa viśeṣam'.

विशेषम् (viśeṣam) - especially (particularity, distinction, especially)

(indeclinable)

Prefix: vi

Root: śiṣ (class 7)

Note: Used adverbially with 'sa' to mean 'especially'.

तु (tu) - indeed (but, indeed, on the other hand)

(indeclinable)

अमोघायाः (amoghāyāḥ) - of the unfailing (missile/śakti) (of the unfailing, of the infallible)

(adjective)

Genitive, feminine, singular of amoghā

amoghā - unfailing, infallible, not vain, effective

Feminine form of amogha.

Compound type : nañ-tatpuruṣa (a+mogha)

• a – not, non-, un-
  indeclinable
• mogha – vain, useless, fruitless, ineffective
  adjective
  Root: mugh (class 4)

Note: Qualifies 'śakti' (implied feminine noun).

कृष्णः (kṛṣṇaḥ) - Krishna (Kṛṣṇa) (Krishna)

(proper noun)

Nominative, masculine, singular of kṛṣṇa

kṛṣṇa - Krishna, dark, black

Note: Subject of arakṣata.

अरक्षत (arakṣata) - protected

(verb)

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

Imperfect active 3rd singular. Augment 'a' + root 'rakṣ' + at.

Root: rakṣ (class 1)

पाण्डवम् (pāṇḍavam) - Arjuna (Pāṇḍava) (the son of Pāṇḍu, Arjuna)

(proper noun)

Accusative, masculine, singular of pāṇḍava

pāṇḍava - descendant of Pāṇḍu, son of Pāṇḍu, Arjuna

Derived from Pāṇḍu + aṇ (suffix) indicating 'descendant'.

Note: Object of arakṣata.

हन्यात् (hanyāt) - would kill, should kill

(verb)

3rd person , singular, active, optative (liṅ) of han

Optative active 3rd singular.

Root: han (class 2)

क्षिप्ता (kṣiptā) - thrown, hurled

(adjective)

Nominative, feminine, singular of kṣipta

kṣipta - thrown, cast, hurled

Past Passive Participle

Derived from root kṣip (to throw) + kta suffix.

Root: kṣip (class 6)

Note: Agrees with śaktiḥ (feminine noun).

हि (hi) - for (indeed, for, because)

(indeclinable)

कौन्तेयम् (kaunteyam) - Arjuna (Kaunteya) (son of Kuntī, Arjuna)

(proper noun)

Accusative, masculine, singular of kaunteya

kaunteya - son of Kuntī, Arjuna

Derived from Kuntī + ḍhak (suffix) indicating 'son of'.

Note: Object of hanyāt.

शक्तिः (śaktiḥ) - the missile/spear (śakti) (power, strength, missile, spear)

(noun)

Nominative, feminine, singular of śakti

śakti - power, strength, energy, capability, missile, spear (specific weapon)

Derived from root śak (to be able).

Root: śak (class 5)

Note: Subject of hanyāt.

वृक्षम् (vṛkṣam) - tree

(noun)

Accusative, masculine, singular of vṛkṣa

vṛkṣa - tree

Note: Object of comparison for aśaniḥ.

इव (iva) - like, as

(indeclinable)

Note: Used for comparison.

अशनिः (aśaniḥ) - thunderbolt, lightning

(noun)

Nominative, masculine, singular of aśani

aśani - thunderbolt, lightning, Indra's weapon

Root: aś (class 5)

Note: Subject in the simile.