महाभारतः mahābhārataḥ - book-3, chapter-40, verse-43

किरातरूपी भगवांस्ततः पार्थो महाबलः ।
मुष्टिभिर्वज्रसंस्पर्शैर्धूममुत्पादयन्मुखे ।
प्रजहार दुराधर्षे किरातसमरूपिणि ॥४३॥

43. kirātarūpī bhagavāṁstataḥ pārtho mahābalaḥ ,
muṣṭibhirvajrasaṁsparśairdhūmamutpādayanmukhe ,
prajahāra durādharṣe kirātasamarūpiṇi.

43. kirātarūpī bhagavān tataḥ pārthaḥ
mahābalaḥ muṣṭibhiḥ vajrasaṃsparśaiḥ
dhūmam utpādayan mukhe
prajahāra durādharṣe kirātasamarūpiṇi

43. Then, the mighty Arjuna struck the Lord (Śiva), who was in the form of a Kirāta and was unassailable, on the face with fists that had the impact of a thunderbolt, causing smoke to rise.

Words meanings summery:

• किरातरूपी (kirātarūpī) - In the form of a Kirāta

• भगवान् (bhagavān) - The Lord (Śiva) (The Lord, venerable one)

• ततः (tataḥ) - Then, thereupon

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

• महाबलः (mahābalaḥ) - Mighty, great-strength

• मुष्टिभिः (muṣṭibhiḥ) - With fists

• वज्रसंस्पर्शैः (vajrasaṁsparśaiḥ) - Whose touch is like a thunderbolt, having thunderbolt-like contact

• धूमम् (dhūmam) - Smoke

• उत्पादयन् (utpādayan) - Causing to rise, producing

• मुखे (mukhe) - On the face

• प्रजहार (prajahāra) - He struck, he hit

• दुराधर्षे (durādharṣe) - On the unassailable (Kirāta/Śiva) (On the unassailable one)

• किरातसमरूपिणि (kirātasamarūpiṇi) - On the one appearing like a Kirāta (Śiva) (On the one appearing like a Kirāta, having a form like a Kirāta)

Words meanings and morphology

किरातरूपी (kirātarūpī) - In the form of a Kirāta

(adjective)

Nominative, masculine, singular of kirātarūpin

kirātarūpin - Having the form of a Kirāta, appearing as a Kirāta

Compound type : bahuvrīhi (kirāta+rūpin)

• kirāta – a wild mountaineer tribe, a Kirāta
  noun (masculine)
• rūpin – having the form of, appearing as, embodied as
  adjective

भगवान् (bhagavān) - The Lord (Śiva) (The Lord, venerable one)

(noun)

Nominative, masculine, singular of bhagavat

bhagavat - Fortunate, glorious, venerable, divine, the Lord

ततः (tataḥ) - Then, thereupon

(indeclinable)

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

(proper noun)

Nominative, masculine, singular of pārtha

pārtha - Son of Pṛthā (Kuntī), a name of Arjuna

महाबलः (mahābalaḥ) - Mighty, great-strength

(adjective)

Nominative, masculine, singular of mahābala

mahābala - Of great strength, very powerful, mighty

Compound type : bahuvrīhi (mahā+bala)

• mahā – great, large, mighty
  adjective
• bala – strength, power, force
  noun (neuter)

मुष्टिभिः (muṣṭibhiḥ) - With fists

(noun)

Instrumental, masculine, plural of muṣṭi

muṣṭi - Fist, handful, grip

वज्रसंस्पर्शैः (vajrasaṁsparśaiḥ) - Whose touch is like a thunderbolt, having thunderbolt-like contact

(adjective)

Instrumental, masculine, plural of vajrasaṃsparśa

vajrasaṁsparśa - Having the touch or contact of a thunderbolt

Compound type : bahuvrīhi (vajra+saṃsparśa)

• vajra – thunderbolt, diamond
  noun (neuter)
• saṃsparśa – touch, contact, impact
  noun (masculine)
  Prefix: sam
  Root: spṛś (class 6)

धूमम् (dhūmam) - Smoke

(noun)

Accusative, masculine, singular of dhūma

dhūma - Smoke, vapor, fume

उत्पादयन् (utpādayan) - Causing to rise, producing

(adjective)

Nominative, masculine, singular of utpādayat

utpādayat - Causing to rise, producing, generating, creating

Present Active Participle (Causative)

Derived from causative stem of `utpad` (ut- + pad)

Prefix: ut

Root: pad (class 4)

मुखे (mukhe) - On the face

(noun)

Locative, neuter, singular of mukha

mukha - Face, mouth, front, entrance

प्रजहार (prajahāra) - He struck, he hit

(verb)

3rd person , singular, active, Perfect (Lit) of prahṛ

Prefix: pra

Root: hṛ (class 1)

दुराधर्षे (durādharṣe) - On the unassailable (Kirāta/Śiva) (On the unassailable one)

(adjective)

Locative, masculine, singular of durādharṣa

durādharṣa - Unassailable, unconquerable, difficult to attack or approach

Compound type : karmadhāraya (dur+ādharṣa)

• dur – bad, difficult, ill-, hard to
  indeclinable
• ādharṣa – attack, assault, insult
  noun (masculine)
  Derived from root dhṛṣ with prefix ā
  Prefix: ā
  Root: dhṛṣ (class 5)

किरातसमरूपिणि (kirātasamarūpiṇi) - On the one appearing like a Kirāta (Śiva) (On the one appearing like a Kirāta, having a form like a Kirāta)

(adjective)

Locative, masculine, singular of kirātasamarūpin

kirātasamarūpin - Having a form similar to a Kirāta, appearing like a Kirāta

Compound type : bahuvrīhi (kirāta+sama+rūpin)

• kirāta – a wild mountaineer tribe, a Kirāta
  noun (masculine)
• sama – like, similar, equal
  adjective
• rūpin – having the form of, appearing as, embodied as
  adjective