महाभारतः mahābhārataḥ - book-6, chapter-28, verse-34

चञ्चलं हि मनः कृष्ण प्रमाथि बलवद्दृढम् ।
तस्याहं निग्रहं मन्ये वायोरिव सुदुष्करम् ॥३४॥

34. cañcalaṁ hi manaḥ kṛṣṇa pramāthi balavaddṛḍham ,
tasyāhaṁ nigrahaṁ manye vāyoriva suduṣkaram.

34. cañcalam hi manaḥ kṛṣṇa pramāthi balavat dṛḍham
tasya aham nigraham manye vāyoḥ iva suduṣkaram

34. kṛṣṇa hi manaḥ cañcalam pramāthi balavat dṛḍham
aham tasya nigraham vāyoḥ iva suduṣkaram manye

34. Indeed, O Kṛṣṇa, the mind is restless, turbulent, powerful, and obstinate. I consider its control to be as difficult as controlling the wind.

Words meanings summery:

• चञ्चलम् (cañcalam) - restless, unsteady, fickle

• हि (hi) - indeed, surely, because

• मनः (manaḥ) - mind, intellect, heart

• कृष्ण (kṛṣṇa) - O Kṛṣṇa

• प्रमाथि (pramāthi) - turbulent, agitating, disturbing

• बलवत् (balavat) - powerful, strong

• दृढम् (dṛḍham) - firm, obstinate, steady

• तस्य (tasya) - of that, its

• अहम् (aham) - I

• निग्रहम् (nigraham) - control, restraint

• मन्ये (manye) - I think, I consider, I believe

• वायोः (vāyoḥ) - of the wind

• इव (iva) - like, as, similar to

• सुदुष्करम् (suduṣkaram) - very difficult to do, very hard

Words meanings and morphology

चञ्चलम् (cañcalam) - restless, unsteady, fickle

(adjective)

Nominative, neuter, singular of cañcala

cañcala - restless, unsteady, fickle

हि (hi) - indeed, surely, because

(indeclinable)

मनः (manaḥ) - mind, intellect, heart

(noun)

Nominative, neuter, singular of manas

manas - mind, intellect, heart

कृष्ण (kṛṣṇa) - O Kṛṣṇa

(proper noun)

Vocative, masculine, singular of kṛṣṇa

kṛṣṇa - Kṛṣṇa (name of a deity)

प्रमाथि (pramāthi) - turbulent, agitating, disturbing

(adjective)

Nominative, neuter, singular of pramāthin

pramāthin - turbulent, agitating, disturbing

बलवत् (balavat) - powerful, strong

(adjective)

Nominative, neuter, singular of balavat

balavat - powerful, strong

दृढम् (dṛḍham) - firm, obstinate, steady

(adjective)

Nominative, neuter, singular of dṛḍha

dṛḍha - firm, strong, obstinate, steady

तस्य (tasya) - of that, its

(pronoun)

Genitive, neuter, singular of tad

tad - that

अहम् (aham) - I

(pronoun)

Nominative, singular of aham

aham - I

निग्रहम् (nigraham) - control, restraint

(noun)

Accusative, masculine, singular of nigraha

nigraha - control, restraint, suppression

मन्ये (manye) - I think, I consider, I believe

(verb)

1st person , singular, middle, present (laṭ) of man

Root: man (class 4)

वायोः (vāyoḥ) - of the wind

(noun)

Genitive, masculine, singular of vāyu

vāyu - wind, air

इव (iva) - like, as, similar to

(indeclinable)

सुदुष्करम् (suduṣkaram) - very difficult to do, very hard

(adjective)

Nominative, neuter, singular of sudurṣkara

sudurṣkara - very difficult to do, very hard

Compound type : pra-ādi tatpuruṣa (su+dur+kara)

• su – very, good, easily
  prefix
• dur – difficult, bad, hard
  prefix
• kara – making, doing, performing
  adjective
  agent noun/adjective
  from root kṛ (to do)
  Root: kṛ (class 8)

Note: functions predicatively