योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-124, verse-21

अत्र काञ्चनशैलादिदरीदर्दुरतां गतः ।
पिशाचमायाछलितो दशवर्षाण्युवास सः ॥ २१ ॥

atra kāñcanaśailādidarīdarduratāṃ gataḥ ,
piśācamāyāchalito daśavarṣāṇyuvāsa saḥ 21

21. atra kāñcanaśailādidarīdarduratām gataḥ
piśācamāyāchalitaḥ daśavarṣāṇi uvāsa saḥ

21. atra saḥ piśācamāyāchalitaḥ
kāñcanaśailādidarīdarduratām gataḥ daśavarṣāṇi uvāsa

21. Here, he (Pūrva), having been deceived by the illusion (māyā) of a piśāca, became a frog in the caves of the Golden Mountain and other similar mountains, and lived there for ten years.

Words meanings summery:

• अत्र (atra) - here, in this place (here, in this place, on this occasion)

• काञ्चनशैलादिदरीदर्दुरताम् (kāñcanaśailādidarīdarduratām) - the state of being a frog in the caves of the Golden Mountain and others

• गतः (gataḥ) - attained (the state of being) (gone, attained, reached, become)

• पिशाचमायाछलितः (piśācamāyāchalitaḥ) - deceived by the illusion of a piśāca

• दशवर्षाणि (daśavarṣāṇi) - for ten years (duration) (for ten years, during ten years)

• उवास (uvāsa) - lived, resided, dwelt

• सः (saḥ) - he (Pūrva, the subject) (he, that)

Words meanings and morphology

अत्र (atra) - here, in this place (here, in this place, on this occasion)

(indeclinable)

From pronominal root a-

काञ्चनशैलादिदरीदर्दुरताम् (kāñcanaśailādidarīdarduratām) - the state of being a frog in the caves of the Golden Mountain and others

(noun)

Accusative, feminine, singular of kāñcanaśailādidarīdarduratā

kāñcanaśailādidarīdarduratā - the state of being a frog in the caves of the Golden Mountain, etc.

Long compound describing a state (suffix -tā)

Compound type : tatpuruṣa (kāñcana+śaila+ādi+darī+dardura+tā)

• kāñcana – golden, made of gold
  adjective (neuter)
  From kañcana (gold)
• śaila – mountain
  noun (masculine)
• ādi – beginning, et cetera, foremost
  noun (masculine)
• darī – cave, cavern
  noun (feminine)
• dardura – frog
  noun (masculine)
• tā – state, condition, nature
  suffix
  Feminine abstract noun suffix

Note: Object of 'gataḥ'.

गतः (gataḥ) - attained (the state of being) (gone, attained, reached, become)

(adjective)

Nominative, masculine, singular of gata

gata - gone, arrived, attained, become, past

Past Passive Participle

From root gam (to go) + kta suffix

Root: gam (class 1)

Note: Modifies 'saḥ'.

पिशाचमायाछलितः (piśācamāyāchalitaḥ) - deceived by the illusion of a piśāca

(adjective)

Nominative, masculine, singular of piśācamāyāchalita

piśācamāyāchalita - deceived by the illusion of a piśāca

Compound of piśāca (demon), māyā (illusion), and chalita (deceived)

Compound type : tatpuruṣa (piśāca+māyā+chalita)

• piśāca – a fiend, demon, evil spirit
  noun (masculine)
• māyā – illusion, magic, supernatural power, delusion
  noun (feminine)
• chalita – deceived, deluded, cheated
  adjective (masculine)
  Past Passive Participle
  From root chal (to deceive, delude) + kta suffix
  Root: chal (class 1)

Note: Modifies 'saḥ'.

दशवर्षाणि (daśavarṣāṇi) - for ten years (duration) (for ten years, during ten years)

(noun)

Accusative, neuter, plural of daśavarṣa

daśavarṣa - period of ten years

Compound of daśa (ten) and varṣa (year)

Compound type : dvigu (daśa+varṣa)

• daśa – ten
  numeral
• varṣa – year, rain, region
  noun (neuter)
  Root: vṛṣ (class 1)

Note: Functions as an adverbial accusative.

उवास (uvāsa) - lived, resided, dwelt

(verb)

3rd person , singular, active, perfect (lit) of vas

Perfect (Lit) 3rd singular

Root: vas (class 1)

सः (saḥ) - he (Pūrva, the subject) (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Note: Refers back to Pūrva.