योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-54, verse-89

कदाचिदह्ना मासेन कदाचिद्वत्सरेण च ।
कदाचिद्वत्सरौघेण ध्यानासक्तो व्यबुध्यत ॥ ८९ ॥

kadācidahnā māsena kadācidvatsareṇa ca ,
kadācidvatsaraugheṇa dhyānāsakto vyabudhyata 89

89. kadācit ahnā māsena kadācit vatsareṇa ca
kadācit vatsaraugheṇa dhyānāsaktaḥ vyabudhyata

89. dhyānāsaktaḥ kadācit ahnā kadācit māsena ca
kadācit vatsareṇa kadācit vatsaraugheṇa vyabudhyata

89. Absorbed in deep contemplation (dhyāna), he would awaken to understanding sometimes after a day, sometimes after a month, and sometimes after a long succession of years.

Words meanings summery:

• कदाचित् (kadācit) - sometimes, at some time

• अह्ना (ahnā) - by a day, during the day

• मासेन (māsena) - by a month

• कदाचित् (kadācit) - sometimes, at some time

• वत्सरेण (vatsareṇa) - by a year

• च (ca) - and, also

• कदाचित् (kadācit) - sometimes, at some time

• वत्सरौघेण (vatsaraugheṇa) - by a stream of years, by many years

• ध्यानासक्तः (dhyānāsaktaḥ) - absorbed in meditation, deeply engaged in contemplation

• व्यबुध्यत (vyabudhyata) - he awoke, he became aware, he understood

Words meanings and morphology

कदाचित् (kadācit) - sometimes, at some time

(indeclinable)

अह्ना (ahnā) - by a day, during the day

(noun)

Instrumental, neuter, singular of ahan

ahan - day

Note: Declines irregularly, forms like ahnā from original stem ahan.

मासेन (māsena) - by a month

(noun)

Instrumental, masculine, singular of māsa

māsa - month

कदाचित् (kadācit) - sometimes, at some time

(indeclinable)

वत्सरेण (vatsareṇa) - by a year

(noun)

Instrumental, masculine, singular of vatsara

vatsara - year

च (ca) - and, also

(indeclinable)

कदाचित् (kadācit) - sometimes, at some time

(indeclinable)

वत्सरौघेण (vatsaraugheṇa) - by a stream of years, by many years

(noun)

Instrumental, masculine, singular of vatsaraugha

vatsaraugha - stream of years, multitude of years

Compound type : tatpuruṣa (vatsara+ogha)

• vatsara – year
  noun (masculine)
• ogha – stream, flood, multitude
  noun (masculine)

ध्यानासक्तः (dhyānāsaktaḥ) - absorbed in meditation, deeply engaged in contemplation

(adjective)

Nominative, masculine, singular of dhyānāsakta

dhyānāsakta - absorbed in meditation

Compound type : tatpuruṣa (dhyāna+āsakta)

• dhyāna – meditation, contemplation
  noun (neuter)
  Root: dhyai (class 1)
• āsakta – attached, devoted, absorbed
  participle (masculine)
  Past Passive Participle
  from root sañj (to cling) with prefix ā
  Prefix: ā
  Root: sañj (class 7)

व्यबुध्यत (vyabudhyata) - he awoke, he became aware, he understood

(verb)

3rd person , singular, middle, past imperfect (laṅ) of budh

Imperfect (Laṅ)

3rd person singular Middle voice of root budh with prefix vi

Prefix: vi

Root: budh (class 4)