योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-51, verse-51

सुस्निग्धशीतलच्छायां प्रकटां रत्नदीपकैः ।
सुगुप्तां वनदेवीनामन्तःपुरकुटीमिव ॥ ५१ ॥

susnigdhaśītalacchāyāṃ prakaṭāṃ ratnadīpakaiḥ ,
suguptāṃ vanadevīnāmantaḥpurakuṭīmiva 51

51. susnigdhaśītalacchāyām prakaṭām ratnadīpakaiḥ
suguptām vanadevīnām antaḥpurakuṭīm iva

51. susnigdhaśītalacchāyām ratnadīpakaiḥ prakaṭām
vanadevīnām antaḥpurakuṭīm iva suguptām

51. Having a very soft and cool shade, illuminated by gem-lamps, well-protected, like the private hut of forest goddesses.

Words meanings summery:

• सुस्निग्धशीतलच्छायाम् (susnigdhaśītalacchāyām) - having a very soft and cool shade, providing cool and smooth shadows

• प्रकटाम् (prakaṭām) - manifest, evident, illuminated, revealed

• रत्नदीपकैः (ratnadīpakaiḥ) - by gem-lamps, with jewel-lamps

• सुगुप्ताम् (suguptām) - well-protected, carefully guarded, securely hidden

• वनदेवीनाम् (vanadevīnām) - of the forest goddesses, belonging to the forest deities

• अन्तःपुरकुटीम् (antaḥpurakuṭīm) - an inner chamber, a private hut, a secluded dwelling

• इव (iva) - like, as, as if

Words meanings and morphology

सुस्निग्धशीतलच्छायाम् (susnigdhaśītalacchāyām) - having a very soft and cool shade, providing cool and smooth shadows

(adjective)

Accusative, feminine, singular of susnigdhaśītalacchāyā

susnigdhaśītalacchāyā - having a very soft and cool shade

Compound type : bahuvrihi (su+snigdha+śītala+cchāyā)

• su – very, good, well
  indeclinable
  Prefix indicating excellence.
• snigdha – soft, smooth, tender, oily
  adjective
  Past Passive Participle
  Derived from root √snih (to be sticky, smooth, affectionate).
  Root: snih (class 4)
• śītala – cool, cold, refreshing
  adjective
• cchāyā – shade, shadow, reflection
  noun (feminine)

Note: Bahuvrihi compound.

प्रकटाम् (prakaṭām) - manifest, evident, illuminated, revealed

(adjective)

Accusative, feminine, singular of prakaṭa

prakaṭa - manifest, visible, open, public

Derived from √kaṭ (to go, move) with prefix pra- and secondary suffix.

Prefix: pra

Root: kaṭ (class 1)

रत्नदीपकैः (ratnadīpakaiḥ) - by gem-lamps, with jewel-lamps

(noun)

Instrumental, masculine, plural of ratnadīpaka

ratnadīpaka - gem-lamp, jewel-lamp

Compound type : tatpurusha (ratna+dīpaka)

• ratna – gem, jewel, precious stone
  noun (neuter)
• dīpaka – lamp, illuminator, kindler
  noun (masculine)
  Derived from root √dīp (to shine, illuminate).
  Root: dīp (class 4)

Note: Tatpurusha compound.

सुगुप्ताम् (suguptām) - well-protected, carefully guarded, securely hidden

(adjective)

Accusative, feminine, singular of sugupta

sugupta - well-protected, well-guarded

Past Passive Participle

Derived from root √gup (to protect, conceal) with prefix su-.

Prefix: su

Root: gup (class 1)

Note: Past passive participle used as an adjective.

वनदेवीनाम् (vanadevīnām) - of the forest goddesses, belonging to the forest deities

(noun)

Genitive, feminine, plural of vanadevī

vanadevī - forest goddess, sylvan deity

Compound type : tatpurusha (vana+devī)

• vana – forest, wood, grove
  noun (neuter)
• devī – goddess, female deity
  noun (feminine)
  Feminine form of deva.

Note: Tatpurusha compound.

अन्तःपुरकुटीम् (antaḥpurakuṭīm) - an inner chamber, a private hut, a secluded dwelling

(noun)

Accusative, feminine, singular of antaḥpurakuṭī

antaḥpurakuṭī - inner chamber, private hut

Compound type : tatpurusha (antar+pura+kuṭī)

• antar – inside, within, inner
  indeclinable
• pura – city, fortress, inner apartment (in compound)
  noun (neuter)
• kuṭī – hut, cottage, small house
  noun (feminine)

Note: Tatpurusha compound.

इव (iva) - like, as, as if

(indeclinable)