योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-81, verse-74

विशदाकाशसंकाशे स्वप्नाञ्जनपुरोपमे ।
अङ्गे तस्या बृहज्जङ्घे पिण्डादित्यसमत्विषि ॥ ७४ ॥

viśadākāśasaṃkāśe svapnāñjanapuropame ,
aṅge tasyā bṛhajjaṅghe piṇḍādityasamatviṣi 74

74. viśadākāśasaṃkāśe svapnāñjanapuropame
aṅge tasyā bṛhajjaghe piṇḍādityasamatviṣi

74. On her limb, specifically her large thigh, which was like a clear sky, resembling a city seen in a dream or an illusory city, and possessed a radiance equal to a cluster of suns.

Words meanings summery:

• विशदाकाशसंकाशे (viśadākāśasaṁkāśe) - like a clear sky

• स्वप्नाञ्जनपुरोपमे (svapnāñjanapuropame) - like a city of dream-illusion

• अङ्गे (aṅge) - on the limb, on the body-part

• तस्या (tasyā) - of her

• बृहज्जघे (bṛhajjaghe) - on the large thigh/shank

• पिण्डादित्यसमत्विषि (piṇḍādityasamatviṣi) - having a luster equal to a mass of suns

Words meanings and morphology

विशदाकाशसंकाशे (viśadākāśasaṁkāśe) - like a clear sky

(adjective)

Locative, feminine, singular of viśadākāśasaṃkāśa

viśadākāśasaṁkāśa - resembling a clear sky

Compound type : bahuvrihi (viśadākāśa+saṃkāśa)

• viśadākāśa – clear sky
  noun (masculine)
• saṃkāśa – resembling, like, similar to
  adjective
  Prefix: sam
  Root: kāś (class 1)

स्वप्नाञ्जनपुरोपमे (svapnāñjanapuropame) - like a city of dream-illusion

(adjective)

Locative, feminine, singular of svapnāñjanapuropama

svapnāñjanapuropama - resembling an illusory city of a dream, like a city seen in a dream or an illusion

Compound type : bahuvrihi (svapnāñjanapura+upama)

• svapnāñjanapura – city of dream-illusion, illusory dream-city
  noun (neuter)
• upama – resembling, likeness, comparison
  noun (feminine)

अङ्गे (aṅge) - on the limb, on the body-part

(noun)

Locative, neuter, singular of aṅga

aṅga - limb, body, part, member

तस्या (tasyā) - of her

(pronoun)

Genitive, feminine, singular of tad

tad - that, she

बृहज्जघे (bṛhajjaghe) - on the large thigh/shank

(noun)

Locative, feminine, singular of bṛhajjaghā

bṛhajjaghā - a large thigh or shank

Compound type : karmadhāraya (bṛhat+jaṅghā)

• bṛhat – large, great, vast
  adjective
• jaṅghā – shank, lower leg, thigh
  noun (feminine)

पिण्डादित्यसमत्विषि (piṇḍādityasamatviṣi) - having a luster equal to a mass of suns

(adjective)

Locative, feminine, singular of piṇḍādityasamatviṣ

piṇḍādityasamatviṣ - having splendor equal to a multitude of suns

Compound type : bahuvrihi (piṇḍāditya+samatviṣ)

• piṇḍāditya – mass of suns, multitude of suns
  noun (masculine)
• samatviṣ – equal in luster/splendor
  adjective