योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-110, verse-22

प्रतिभासवशादेव स्वप्नाकुलितचेतसः ।
हरिश्चन्द्रस्य संपन्ना रात्रिर्द्वादशवार्षिकी ॥ २२ ॥

pratibhāsavaśādeva svapnākulitacetasaḥ ,
hariścandrasya saṃpannā rātrirdvādaśavārṣikī 22

22. pratibhāsavaśāt eva svapnākulitacetasaḥ
hariścandra-sya sampannā rātriḥ dvādaśavārṣikī

22. pratibhāsavaśāt eva svapnākulitacetasaḥ
hariścandra-sya dvādaśavārṣikī rātriḥ sampannā

22. Simply by the power of perception, Hariścandra, whose mind was agitated by dreams, experienced a night that lasted twelve years.

Words meanings summery:

• प्रतिभासवशात् (pratibhāsavaśāt) - by the force of perception, by the power of appearance

• एव (eva) - indeed, just, only, alone

• स्वप्नाकुलितचेतसः (svapnākulitacetasaḥ) - of one whose mind is agitated by dreams

• हरिश्चन्द्र-स्य (hariścandra-sya) - of Hariścandra

• सम्पन्ना (sampannā) - occurred, came to be, became, complete, accomplished

• रात्रिः (rātriḥ) - night

• द्वादशवार्षिकी (dvādaśavārṣikī) - twelve-year-long, lasting for twelve years

Words meanings and morphology

प्रतिभासवशात् (pratibhāsavaśāt) - by the force of perception, by the power of appearance

(noun)

Ablative, masculine, singular of pratibhāsavaśa

pratibhāsavaśa - the power or control of perception/appearance

Compound type : tatpurusha (pratibhāsa+vaśa)

• pratibhāsa – perception, appearance, manifestation
  noun (masculine)
  from pra-bhāṣ 'to shine forth, appear'
  Prefix: prati
  Root: bhās (class 1)
• vaśa – will, control, power, submission
  noun (masculine)
  Root: vaś (class 2)

एव (eva) - indeed, just, only, alone

(indeclinable)

स्वप्नाकुलितचेतसः (svapnākulitacetasaḥ) - of one whose mind is agitated by dreams

(adjective)

Genitive, masculine, singular of svapnākulitacetas

svapnākulitacetas - one whose mind is agitated by dreams

Compound type : bahuvrihi (svapna+ākulita+cetas)

• svapna – dream, sleep
  noun (masculine)
  from root svap 'to sleep'
  Root: svap (class 2)
• ākulita – agitated, disturbed, confused
  adjective (neuter)
  Past Passive Participle
  from root ākul 'to be confused, agitated'
  Prefix: ā
  Root: kul (class 10)
• cetas – mind, intellect, consciousness
  noun (neuter)
  from root cit 'to perceive, understand'
  Root: cit (class 1)

Note: Qualifies Hariścandra.

हरिश्चन्द्र-स्य (hariścandra-sya) - of Hariścandra

(proper noun)

Genitive, masculine, singular of hariścandra

hariścandra - Hariścandra (a legendary king)

सम्पन्ना (sampannā) - occurred, came to be, became, complete, accomplished

(adjective)

Nominative, feminine, singular of sampanna

sampanna - accomplished, complete, happened, occurred

Past Passive Participle

from sam-pad 'to happen, occur, become'

Prefix: sam

Root: pad (class 4)

Note: Acts as a predicate, agreeing with rātriḥ.

रात्रिः (rātriḥ) - night

(noun)

Nominative, feminine, singular of rātri

rātri - night

Note: Subject of the sentence.

द्वादशवार्षिकी (dvādaśavārṣikī) - twelve-year-long, lasting for twelve years

(adjective)

Nominative, feminine, singular of dvādaśavārṣika

dvādaśavārṣika - twelve-year-long, lasting for twelve years

from dvādaśavarṣa (twelve years) + ṭhak (suffix for duration)

Compound type : tatpurusha (dvādaśan+varṣa)

• dvādaśan – twelve
  numeral
• varṣa – year, rain
  noun (neuter)
  Root: vṛṣ (class 1)

Note: Qualifies rātriḥ.