योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-130, verse-26

आययौ पूर्वजन्मभ्यो ध्यानालोकाद्व्यबुध्यत ।
सभामालोकयामास समुत्थाय यथाक्रमम् ॥ २६ ॥

āyayau pūrvajanmabhyo dhyānālokādvyabudhyata ,
sabhāmālokayāmāsa samutthāya yathākramam 26

26. āyayau pūrvajanmabhyaḥ dhyānālokāt vyabudhyata
sabhām ālokayāmāsa samutthāya yathākramam

26. pūrvajanmabhyaḥ āyayau dhyānālokāt vyabudhyata
samutthāya sabhām ālokayāmāsa yathākramam

26. Knowledge of his previous births came to him, and he awakened through the illumination of meditation (dhyāna). Having stood up, he then observed the assembly in due order.

Words meanings summery:

• आययौ (āyayau) - he came, he went, he approached, he attained, he knew

• पूर्वजन्मभ्यः (pūrvajanmabhyaḥ) - from his previous births (from previous births, for previous births)

• ध्यानालोकात् (dhyānālokāt) - from the light of meditation, due to the illumination of meditation

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

• सभाम् (sabhām) - the assembly, the gathering, the council

• आलोकयामास (ālokayāmāsa) - he looked at, he surveyed, he observed

• समुत्थाय (samutthāya) - having arisen, having stood up, having gotten up

• यथाक्रमम् (yathākramam) - in due order, in proper sequence, appropriately

Words meanings and morphology

आययौ (āyayau) - he came, he went, he approached, he attained, he knew

(verb)

3rd person , singular, active, perfect (liṭ) of ā-i

Prefix: ā

Root: i (class 2)

पूर्वजन्मभ्यः (pūrvajanmabhyaḥ) - from his previous births (from previous births, for previous births)

(noun)

Ablative, plural of pūrvajanman

pūrvajanman - previous birth, former existence

Compound type : karmadhāraya (pūrva+janman)

• pūrva – prior, former, preceding, ancient
  adjective
• janman – birth, origin, existence, life
  noun (neuter)
  Root: jan (class 4)

Note: Can also be dative plural. Context indicates ablative ('from').

ध्यानालोकात् (dhyānālokāt) - from the light of meditation, due to the illumination of meditation

(noun)

Ablative, masculine, singular of dhyānāloka

dhyānāloka - light of meditation, illumination of contemplation

Compound type : ṣaṣṭhī-tatpuruṣa (dhyāna+āloka)

• dhyāna – meditation (dhyāna), contemplation, profound thought
  noun (neuter)
  action noun
  Derived from root 'dhyai'
  Root: dhyai (class 1)
• āloka – sight, looking, light, illumination, perception
  noun (masculine)
  action noun
  Derived from root 'lok' with prefix 'ā'
  Prefix: ā
  Root: lok (class 10)

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

(verb)

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

Prefix: vi

Root: budh (class 1)

सभाम् (sabhām) - the assembly, the gathering, the council

(noun)

Accusative, feminine, singular of sabhā

sabhā - assembly, council, court, society

आलोकयामास (ālokayāmāsa) - he looked at, he surveyed, he observed

(verb)

3rd person , singular, active, perfect (liṭ) of ā-lok

Prefix: ā

Root: lok (class 10)

Note: Periphrastic perfect formation.

समुत्थाय (samutthāya) - having arisen, having stood up, having gotten up

(indeclinable)

Prefixes: sam+ud

Root: sthā (class 1)

Note: Absolutive (gerund) form.

यथाक्रमम् (yathākramam) - in due order, in proper sequence, appropriately

(indeclinable)

Compound type : avyayībhāva (yathā+krama)

• yathā – as, just as, according to
  indeclinable
• krama – step, order, sequence, method, arrangement
  noun (masculine)
  Root: kram (class 1)