योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-127, verse-15

अनादिवासनादोषादसन्नेवायमीक्ष्यते ।
गन्धर्वनगराकारः संसारो बहुविभ्रमः ॥ १५ ॥

anādivāsanādoṣādasannevāyamīkṣyate ,
gandharvanagarākāraḥ saṃsāro bahuvibhramaḥ 15

15. anādivāsanādoṣāt asan eva ayam īkṣyate
gandharvanagarākāraḥ saṃsāraḥ bahuvibhramaḥ

15. anādivāsanādoṣāt ayam asan eva īkṣyate.
saṃsāraḥ gandharvanagarākāraḥ bahuvibhramaḥ.

15. Due to the defect (doṣa) of beginningless latent tendencies (vāsanā), this (world) is perceived as unreal. The cycle of transmigration (saṃsāra) appears like a mirage (gandharvanagara) and is fraught with numerous delusions.

Words meanings summery:

• अनादिवासनादोषात् (anādivāsanādoṣāt) - due to the fault of beginningless latent impressions/tendencies

• असन् (asan) - unreal, non-existent

• एव (eva) - indeed, only, just

• अयम् (ayam) - this (masculine singular nominative)

• ईक्ष्यते (īkṣyate) - is seen, appears, is perceived

• गन्धर्वनगराकारः (gandharvanagarākāraḥ) - having the appearance of a Gandharva city (mirage)

• संसारः (saṁsāraḥ) - the cycle of rebirth, transmigration, worldly existence

• बहुविभ्रमः (bahuvibhramaḥ) - full of many illusions/delusions, highly delusive

Words meanings and morphology

अनादिवासनादोषात् (anādivāsanādoṣāt) - due to the fault of beginningless latent impressions/tendencies

(noun)

Ablative, masculine, singular of anādivāsanādoṣa

anādivāsanādoṣa - fault or defect arising from beginningless latent impressions

Compound type : tatpuruṣa (anādi+vāsanā+doṣa)

• anādi – beginningless, without origin
  adjective (masculine)
• vāsanā – latent impression, subconscious tendency, desire
  noun (feminine)
• doṣa – fault, defect, blemish
  noun (masculine)

असन् (asan) - unreal, non-existent

(adjective)

Nominative, masculine, singular of asat

asat - unreal, non-existent, bad

Present Active Participle

Root: as (class 2)

Note: Qualifies 'ayam'.

एव (eva) - indeed, only, just

(indeclinable)

अयम् (ayam) - this (masculine singular nominative)

(pronoun)

Nominative, masculine, singular of idam

idam - this

Note: Refers to 'saṃsāraḥ' or the world in general.

ईक्ष्यते (īkṣyate) - is seen, appears, is perceived

(verb)

3rd person , singular, passive, present (laṭ) of īkṣ

Root: īkṣ (class 1)

गन्धर्वनगराकारः (gandharvanagarākāraḥ) - having the appearance of a Gandharva city (mirage)

(adjective)

Nominative, masculine, singular of gandharvanagarākāra

gandharvanagarākāra - having the appearance of a mirage

Compound type : bahuvrīhi (gandharvanagara+ākāra)

• gandharvanagara – city of Gandharvas, mirage
  noun (neuter)
• ākāra – form, appearance, shape
  noun (masculine)

Note: Qualifies 'saṃsāraḥ'.

संसारः (saṁsāraḥ) - the cycle of rebirth, transmigration, worldly existence

(noun)

Nominative, masculine, singular of saṃsāra

saṁsāra - transmigration, cycle of rebirth, worldly existence

बहुविभ्रमः (bahuvibhramaḥ) - full of many illusions/delusions, highly delusive

(adjective)

Nominative, masculine, singular of bahuvibhrama

bahuvibhrama - full of many errors or illusions

Compound type : bahuvrīhi (bahu+vibhrama)

• bahu – many, much
  adjective
• vibhrama – error, illusion, confusion, delusion
  noun (masculine)

Note: Qualifies 'saṃsāraḥ'.