योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-23, verse-8

उरूरुतनुभागाग्रनिर्मितोपस्थनिम्नगा ।
कचत्केशावलीकाचदलप्रस्थवनावृता ॥ ८ ॥

urūrutanubhāgāgranirmitopasthanimnagā ,
kacatkeśāvalīkācadalaprasthavanāvṛtā 8

8. urūrutanubhāgāgranirmitopasthanimnagā
kacatkeśāvalīkācadalaprastavanāvṛtā

8. urūrutanubhāgāgranirmitopasthanimnagā
kacatkeśāvalīkācadalaprastavanāvṛtā

8. Her generative organ (upastha) is a river-like channel formed at the forefront of the slender parts of her thighs; it is covered by a forest-like expanse of glistening, mica-like hair.

Words meanings summery:

• उरूरुतनुभागाग्रनिर्मितोपस्थनिम्नगा (urūrutanubhāgāgranirmitopasthanimnagā) - with a generative organ as a downward-flowing river, formed at the forefront of the slender parts of the thighs

• कचत्केशावलीकाचदलप्रस्तवनावृता (kacatkeśāvalīkācadalaprastavanāvṛtā) - covered by a forest-like expanse of shining, mica-like hair-lines

Words meanings and morphology

उरूरुतनुभागाग्रनिर्मितोपस्थनिम्नगा (urūrutanubhāgāgranirmitopasthanimnagā) - with a generative organ as a downward-flowing river, formed at the forefront of the slender parts of the thighs

(adjective)

Nominative, feminine, singular of urūrutanubhāgāgranirmitopasthanimnagā

urūrutanubhāgāgranirmitopasthanimnagā - one whose generative organ (upastha) is a river (nimnagā), formed at the forefront of the slender parts of the thighs

A complex Bahuvrihi compound, describing a feminine subject. 'upasthanimnagā' is a Karmadhāraya 'upastha as a river'. 'nirmita' (formed) refers to this compound. The larger compound describes the feminine subject.

Compound type : bahuvrihi (urūru+tanubhāga+agra+nirmita+upastha+nimnagā)

• urūru – thighs (dual or reduplicated for emphasis)
  noun (masculine)
  A possible dual or emphatic compound of 'uru'.
• tanubhāga – slender part
  noun (masculine)
• tanu – slender, thin, delicate; body
  adjective (feminine)
  Root: tan (class 8)
• bhāga – part, portion, share
  noun (masculine)
  Root: bhaj (class 1)
• agra – tip, forefront, apex
  noun (neuter)
• nirmita – created, fashioned, made
  adjective (masculine)
  Past Passive Participle
  From root 'mā' (to measure, create) with prefix 'nis'.
  Prefix: nis
  Root: mā (class 2)
• upastha – lap, generative organ, proximity
  noun (masculine)
  From root 'sthā' (to stand) with prefix 'upa'.
  Prefix: upa
  Root: sthā (class 1)
• nimnagā – river, stream (lit. 'going downwards')
  noun (feminine)
  From 'nimna' (low, deep) + root 'gam' (to go).
  Root: gam (class 1)

कचत्केशावलीकाचदलप्रस्तवनावृता (kacatkeśāvalīkācadalaprastavanāvṛtā) - covered by a forest-like expanse of shining, mica-like hair-lines

(adjective)

Nominative, feminine, singular of kacatkeśāvalīkācadalaprastavanāvṛta

kacatkeśāvalīkācadalaprastavanāvṛta - covered by a forest-like expanse of glistening, mica-like hair-lines

Past Passive Participle

A complex Bahuvrihi compound. 'āvṛta' (covered) is the main participle. It describes a feminine subject.

Compound type : bahuvrihi (kacatkeśāvalī+kācadalaprastha+vana+āvṛta)

• kacatkeśāvalī – shining lines of hair
  noun (feminine)
• kacat – shining, glistening, wavy
  adjective (masculine)
  Present Active Participle
  From root 'kac' (to shine, to bind).
  Root: kac (class 1)
• keśāvalī – lines/rows of hair
  noun (feminine)
• keśa – hair (of the head)
  noun (masculine)
• āvalī – line, row, series
  noun (feminine)
  Root: āvṛ (class 1)
• kācadalaprastha – an expanse like mica leaves/flakes
  noun (neuter)
• kācadala – mica, glass leaf/shard
  noun (neuter)
• kāca – glass, crystal
  noun (masculine)
• dala – leaf, petal, blade
  noun (neuter)
  Root: dal (class 1)
• prastha – expanse, flat surface, quantity
  noun (masculine)
  Prefix: pra
  Root: sthā (class 1)
• vana – forest, wood, grove
  noun (neuter)
  Root: van (class 1)
• āvṛta – covered, surrounded, encompassed
  adjective (masculine)
  Past Passive Participle
  From root 'vṛ' (to cover, surround) with prefix 'ā'.
  Prefix: ā
  Root: vṛ (class 5)