योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-41, verse-51

यथा संकल्पनिर्माणे जीवनं मरणं पुनः ।
यथा गन्धर्वनगरे कुड्यमण्डनवेदनम् ॥ ५१ ॥

yathā saṃkalpanirmāṇe jīvanaṃ maraṇaṃ punaḥ ,
yathā gandharvanagare kuḍyamaṇḍanavedanam 51

51. yathā saṃkalpanirmāṇe jīvanam maraṇam punaḥ
yathā gandharvanagare kuḍyamaṇḍanavedanam

51. yathā saṃkalpanirmāṇe jīvanam maraṇam punaḥ (bhavati)
yathā (ca) gandharvanagare kuḍyamaṇḍanavedanam (bhavati)

51. Just as in a mental construct (saṃkalpa), one experiences life and death repeatedly, and just as in a mirage city (gandharvanagara), one perceives decorated walls.

Words meanings summery:

• यथा (yathā) - just as (just as, as, according to)

• संकल्पनिर्माणे (saṁkalpanirmāṇe) - in a mental construct (saṃkalpa) (in the creation of resolve/intention, in a mental construct)

• जीवनम् (jīvanam) - life (life, living)

• मरणम् (maraṇam) - death (death, dying)

• पुनः (punaḥ) - repeatedly (again, repeatedly, moreover)

• यथा (yathā) - just as (just as, as, according to)

• गन्धर्वनगरे (gandharvanagare) - in a mirage city (gandharvanagara) (in a city of Gandharvas, in a mirage city)

• कुड्यमण्डनवेदनम् (kuḍyamaṇḍanavedanam) - the perception of decorated walls (the perception of decorated walls, the experience of adorned walls)

Words meanings and morphology

यथा (yathā) - just as (just as, as, according to)

(indeclinable)

संकल्पनिर्माणे (saṁkalpanirmāṇe) - in a mental construct (saṃkalpa) (in the creation of resolve/intention, in a mental construct)

(noun)

Locative, neuter, singular of saṃkalpanirmāṇa

saṁkalpanirmāṇa - creation by resolve/will, mental construction

Compound type : tatpuruṣa (saṃkalpa+nirmāṇa)

• saṃkalpa – resolve, intention, mental faculty, thought, conception
  noun (masculine)
  From sam + kḷp (to arrange, form)
  Prefix: sam
  Root: kḷp (class 1)
• nirmāṇa – creation, construction, formation
  noun (neuter)
  From nir + mā (to measure, create)
  Prefix: nir
  Root: mā (class 2)

जीवनम् (jīvanam) - life (life, living)

(noun)

Nominative, neuter, singular of jīvana

jīvana - life, living, livelihood

From jīv (to live)

Root: jīv (class 1)

Note: Subject.

मरणम् (maraṇam) - death (death, dying)

(noun)

Nominative, neuter, singular of maraṇa

maraṇa - death, dying

From mṛ (to die)

Root: mṛ (class 6)

Note: Subject.

पुनः (punaḥ) - repeatedly (again, repeatedly, moreover)

(indeclinable)

Note: Adverb.

यथा (yathā) - just as (just as, as, according to)

(indeclinable)

गन्धर्वनगरे (gandharvanagare) - in a mirage city (gandharvanagara) (in a city of Gandharvas, in a mirage city)

(noun)

Locative, neuter, singular of gandharvanagara

gandharvanagara - city of Gandharvas (a mythical city appearing in the sky, hence a mirage or illusion)

Compound type : tatpuruṣa (gandharva+nagara)

• gandharva – celestial musician, a class of semi-divine beings
  noun (masculine)
• nagara – city, town
  noun (neuter)

कुड्यमण्डनवेदनम् (kuḍyamaṇḍanavedanam) - the perception of decorated walls (the perception of decorated walls, the experience of adorned walls)

(noun)

Nominative, neuter, singular of kuḍyamaṇḍanavedana

kuḍyamaṇḍanavedana - perception/experience of decorated walls

Compound type : tatpuruṣa (kuḍya+maṇḍana+vedana)

• kuḍya – wall
  noun (neuter)
• maṇḍana – decoration, ornamenting
  noun (neuter)
  From maṇḍ (to adorn)
  Root: maṇḍ (class 1)
• vedana – perception, feeling, knowing
  noun (neuter)
  From vid (to know, perceive)
  Root: vid (class 2)

Note: Subject.