योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-67, verse-26

अज्ञोऽपि तज्ज्ञतामेति शनैः शैलोपि चूर्ण्यते ।
बाणोप्येति महालक्ष्यं पश्याभ्यासविजृम्भितम् ॥ २६ ॥

ajño'pi tajjñatāmeti śanaiḥ śailopi cūrṇyate ,
bāṇopyeti mahālakṣyaṃ paśyābhyāsavijṛmbhitam 26

26. ajñaḥ api tatjñatām eti śanaiḥ śailaḥ api cūrṇyate
bāṇaḥ api eti mahālakṣyam paśya abhyāsavijṛmbhitam

26. ajñaḥ api śanaiḥ tatjñatām eti.
śailaḥ api cūrṇyate.
bāṇaḥ api mahālakṣyam eti.
paśya abhyāsavijṛmbhitam

26. Even an ignorant person gradually attains expertise, and even a mountain is pulverized. Even an arrow reaches a great target. Behold the expansive power developed by practice!

Words meanings summery:

• अज्ञः (ajñaḥ) - ignorant, foolish, not knowing

• अपि (api) - also, even, indeed

• तत्ज्ञताम् (tatjñatām) - expertise, the state of being a knower of that

• एति (eti) - goes, comes, attains, reaches

• शनैः (śanaiḥ) - slowly, gradually, gently

• शैलः (śailaḥ) - mountain, rock, hill

• अपि (api) - also, even, indeed

• चूर्ण्यते (cūrṇyate) - is pulverized, is powdered, is crushed

• बाणः (bāṇaḥ) - arrow, shaft

• अपि (api) - also, even, indeed

• एति (eti) - goes, comes, attains, reaches

• महालक्ष्यम् (mahālakṣyam) - great target, important goal

• पश्य (paśya) - see, behold, observe

• अभ्यासविजृम्भितम् (abhyāsavijṛmbhitam) - that which is expanded/manifested by practice; the expansive power of practice

Words meanings and morphology

अज्ञः (ajñaḥ) - ignorant, foolish, not knowing

(adjective)

Nominative, masculine, singular of ajña

ajña - ignorant, foolish, not knowing

a (not) + jña (knower).

Compound type : nan-tatpuruṣa (a+jña)

• a – not, un-
  indeclinable
  Negative prefix.
• jña – knowing, knower
  adjective (masculine)
  From root √jñā (to know).
  Root: jñā (class 9)

अपि (api) - also, even, indeed

(indeclinable)

Emphatic particle.

तत्ज्ञताम् (tatjñatām) - expertise, the state of being a knower of that

(noun)

Accusative, feminine, singular of tatjñatā

tatjñatā - expertise, the state of being a knower of that

Derived from 'tatjña' (knower of that/expert) + 'tā' (suffix for state of being).

Compound type : tatpuruṣa (tatjña+tā)

• tatjña – knowing that; expert
  adjective (masculine)
  Compound of 'tat' (that) and 'jña' (knower).
  Root: jñā (class 9)
• tā – suffix forming abstract feminine noun indicating state or quality
  suffix (feminine)

एति (eti) - goes, comes, attains, reaches

(verb)

3rd person , singular, active, present indicative (laṭ) of eti

Present active indicative

From root √i (to go).

Root: i (class 2)

शनैः (śanaiḥ) - slowly, gradually, gently

(indeclinable)

Adverbial form.

शैलः (śailaḥ) - mountain, rock, hill

(noun)

Nominative, masculine, singular of śaila

śaila - mountain, rock, hill

Derived from 'śilā' (stone).

अपि (api) - also, even, indeed

(indeclinable)

Emphatic particle.

चूर्ण्यते (cūrṇyate) - is pulverized, is powdered, is crushed

(verb)

3rd person , singular, passive, present indicative (laṭ) of cūrṇyate

Present passive indicative

From root √cūrṇ (to powder, pulverize), with passive -ya affix.

Root: cūrṇ (class 10)

बाणः (bāṇaḥ) - arrow, shaft

(noun)

Nominative, masculine, singular of bāṇa

bāṇa - arrow, shaft

Root: bāṇ (class 1)

अपि (api) - also, even, indeed

(indeclinable)

एति (eti) - goes, comes, attains, reaches

(verb)

3rd person , singular, active, present indicative (laṭ) of eti

Present active indicative

From root √i (to go).

Root: i (class 2)

महालक्ष्यम् (mahālakṣyam) - great target, important goal

(noun)

Accusative, neuter, singular of mahālakṣya

mahālakṣya - great target, important goal

Compound of 'mahā' (great) and 'lakṣya' (target).

Compound type : karmadhāraya (mahā+lakṣya)

• mahā – great, large, powerful
  adjective (feminine)
  Feminine stem of 'mahat'.
• lakṣya – target, aim, object
  noun (neuter)
  Gerundive / Past Passive Participle
  From root √lakṣ (to mark, observe).
  Root: lakṣ (class 10)

पश्य (paśya) - see, behold, observe

(verb)

2nd person , singular, active, imperative (loṭ) of paśya

Imperative active

From root √dṛś (to see), with paśya being the thematic stem.

Root: dṛś (class 1)

अभ्यासविजृम्भितम् (abhyāsavijṛmbhitam) - that which is expanded/manifested by practice; the expansive power of practice

(participle)

Nominative, neuter, singular of abhyāsavijṛmbhita

abhyāsavijṛmbhita - expanded/manifested by practice

Past Passive Participle

Compound of 'abhyāsa' (practice) and 'vijṛmbhita' (expanded, manifested). 'vijṛmbhita' from vi-jṛmbh (to expand, open).

Compound type : tatpuruṣa (abhyāsa+vijṛmbhita)

• abhyāsa – practice, repetition, habit, study
  noun (masculine)
  From abhi-as (to throw, to practice).
  Prefix: abhi
  Root: as (class 4)
• vijṛmbhita – expanded, manifested, yawned, blossomed
  participle (neuter)
  Past Passive Participle
  From root √jṛmbh (to yawn, open) with prefix vi.
  Prefix: vi
  Root: jṛmbh (class 1)

Note: Can function as a noun here, 'that which is expanded by practice'.