योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-147, verse-19

अथाहमभवं तत्र तदालिङ्गननिर्वृतः ।
गृहीतवासनो नूनं विस्मृतप्राक्तनस्मृतिः ॥ १९ ॥

athāhamabhavaṃ tatra tadāliṅgananirvṛtaḥ ,
gṛhītavāsano nūnaṃ vismṛtaprāktanasmṛtiḥ 19

19. atha aham abhavam tatra tadāliṅgananirvṛtaḥ
gṛhītavāsanaḥ nūnam vismṛtaprāktanasmṛtiḥ

19. atha aham tatra tadāliṅgananirvṛtaḥ nūnam
gṛhītavāsanaḥ vismṛtaprāktanasmṛtiḥ abhavam

19. Then, delighting in that embrace [of the worldly life], I surely became imbued with those impressions (vāsanā), having completely forgotten my former memories.

Words meanings summery:

• अथ (atha) - then, now, thereupon

• अहम् (aham) - I

• अभवम् (abhavam) - I became, I was

• तत्र (tatra) - there, in that situation

• तदालिङ्गननिर्वृतः (tadāliṅgananirvṛtaḥ) - delighted by embracing the worldly vision/life (delighted by that embrace)

• गृहीतवासनः (gṛhītavāsanaḥ) - one who has taken on impressions/tendencies, imbued with tendencies

• नूनम् (nūnam) - certainly, indeed, surely

• विस्मृतप्राक्तनस्मृतिः (vismṛtaprāktanasmṛtiḥ) - one who has forgotten former memories

Words meanings and morphology

अथ (atha) - then, now, thereupon

(indeclinable)

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I, me, we, us

अभवम् (abhavam) - I became, I was

(verb)

1st person , singular, active, past imperfect (laṅ) of bhū

Root: bhū (class 1)

तत्र (tatra) - there, in that situation

(indeclinable)

तदालिङ्गननिर्वृतः (tadāliṅgananirvṛtaḥ) - delighted by embracing the worldly vision/life (delighted by that embrace)

(adjective)

Nominative, masculine, singular of tadāliṅgananirvṛta

tadāliṅgananirvṛta - delighted by that embrace

Compound type : tatpuruṣa (tad+āliṅgana+nirvṛta)

• tad – that, it
  pronoun (neuter)
• āliṅgana – embracing, embrace
  noun (neuter)
  Derived from root liṅg with upasarga ā, means 'embracing' or 'an embrace'.
  Prefix: ā
  Root: liṅg (class 10)
• nirvṛta – delighted, satisfied, tranquil, happy
  adjective (masculine)
  Past Passive Participle
  Derived from root vṛ (to choose/cover) with upasarga nis.
  Prefix: nis
  Root: vṛ (class 5)

गृहीतवासनः (gṛhītavāsanaḥ) - one who has taken on impressions/tendencies, imbued with tendencies

(adjective)

Nominative, masculine, singular of gṛhītavāsana

gṛhītavāsana - one whose impressions (vāsanā) are taken/grasped

Compound type : bahuvrīhi (gṛhīta+vāsanā)

• gṛhīta – seized, grasped, taken, accepted
  adjective (masculine)
  Past Passive Participle
  Derived from root grah.
  Root: grah (class 9)
• vāsanā – impression, subtle inclination, latent tendency
  noun (feminine)

नूनम् (nūnam) - certainly, indeed, surely

(indeclinable)

विस्मृतप्राक्तनस्मृतिः (vismṛtaprāktanasmṛtiḥ) - one who has forgotten former memories

(adjective)

Nominative, masculine, singular of vismṛtaprāktanasmṛti

vismṛtaprāktanasmṛti - one whose former memories are forgotten

Compound type : bahuvrīhi (vismṛta+prāktana+smṛti)

• vismṛta – forgotten
  adjective (masculine)
  Past Passive Participle
  Derived from root smṛ with upasarga vi.
  Prefix: vi
  Root: smṛ (class 1)
• prāktana – former, previous, old
  adjective (masculine)
• smṛti – memory, recollection, tradition
  noun (feminine)