महाभारतः mahābhārataḥ - book-7, chapter-26, verse-20

यदा मोहमनुप्राप्तः सस्वेदश्च जनार्दनः ।
ततस्तान्प्रायशः पार्थो वज्रास्त्रेण निजघ्निवान् ॥२०॥

20. yadā mohamanuprāptaḥ sasvedaśca janārdanaḥ ,
tatastānprāyaśaḥ pārtho vajrāstreṇa nijaghnivān.

20. yadā moham anuprāptaḥ sasvedaḥ ca janārdanaḥ tataḥ
tān prāyaśaḥ pārthaḥ vajrāstreṇa nijaghnnivān

20. yadā janārdanaḥ moham anuprāptaḥ ca sasvedaḥ,
tataḥ pārthaḥ prāyaśaḥ tān vajrāstreṇa nijaghnnivān.

20. When Janārdana became bewildered and perspired, then Pārtha mostly struck them down using a thunderbolt-weapon.

Words meanings summery:

• यदा (yadā) - when

• मोहम् (moham) - delusion, bewilderment, confusion

• अनुप्राप्तः (anuprāptaḥ) - became subject to, attained (a state of) (reached, obtained, attained)

• सस्वेदः (sasvedaḥ) - perspiring, sweating

• च (ca) - and

• जनार्दनः (janārdanaḥ) - Kṛṣṇa (one who punishes evil people; agitator of people)

• ततः (tataḥ) - then, after that (then, therefrom)

• तान् (tān) - the enemies (them (masculine plural accusative))

• प्रायशः (prāyaśaḥ) - mostly, generally, for the most part

• पार्थः (pārthaḥ) - Arjuna (son of Pṛthā (Kuntī))

• वज्रास्त्रेण (vajrāstreṇa) - by means of the thunderbolt weapon

• निजघ्न्निवान् (nijaghnnivān) - struck down, killed

Words meanings and morphology

यदा (yadā) - when

(indeclinable)

मोहम् (moham) - delusion, bewilderment, confusion

(noun)

Accusative, masculine, singular of moha

moha - delusion, bewilderment, confusion

Root: muh (class 4)

Note: Object of anuprāptaḥ

अनुप्राप्तः (anuprāptaḥ) - became subject to, attained (a state of) (reached, obtained, attained)

(adjective)

Nominative, masculine, singular of anuprāpta

anuprāpta - reached, attained

Past Passive Participle

from root āp with anu and pra

Prefixes: anu+pra

Root: āp (class 5)

Note: Agrees with Janārdanaḥ

सस्वेदः (sasvedaḥ) - perspiring, sweating

(adjective)

Nominative, masculine, singular of sasveda

sasveda - sweating, perspiring

bahuvrihi compound: sa (with) + sveda (sweat)

Compound type : bahuvrīhi (sa+sveda)

• sa – with, together with
  indeclinable
• sveda – sweat, perspiration
  noun (masculine)

Note: Agrees with Janārdanaḥ

च (ca) - and

(indeclinable)

जनार्दनः (janārdanaḥ) - Kṛṣṇa (one who punishes evil people; agitator of people)

(proper noun)

Nominative, masculine, singular of janārdana

janārdana - agitator of men, destroyer of evil men

Root: ṛd (class 7)

Note: Subject of the first clause.

ततः (tataḥ) - then, after that (then, therefrom)

(indeclinable)

तान् (tān) - the enemies (them (masculine plural accusative))

(pronoun)

Accusative, masculine, plural of tad

tad - that, he, she, it

Note: Object of nijaghnnivān

प्रायशः (prāyaśaḥ) - mostly, generally, for the most part

(indeclinable)

पार्थः (pārthaḥ) - Arjuna (son of Pṛthā (Kuntī))

(proper noun)

Nominative, masculine, singular of pārtha

pārtha - son of Pṛthā (Kuntī)

patronymic from Pṛthā

Note: Subject of the second clause.

वज्रास्त्रेण (vajrāstreṇa) - by means of the thunderbolt weapon

(noun)

Instrumental, neuter, singular of vajrāstra

vajrāstra - thunderbolt weapon

Compound type : tatpuruṣa (vajra+astra)

• vajra – thunderbolt, diamond
  noun (masculine)
• astra – weapon, missile
  noun (neuter)

Note: Instrument of striking.

निजघ्न्निवान् (nijaghnnivān) - struck down, killed

(adjective)

Nominative, masculine, singular of nijaghannivat

nijaghannivat - having struck down, killed

Perfect Active Participle

from root han (to strike/kill) with prefix ni

Prefix: ni

Root: han (class 2)

Note: Agrees with Pārthaḥ.