योगवासिष्ठः yogavāsiṣṭhaḥ - book-1, chapter-13, verse-15

हिमं वैराग्यवल्लीनां विकारोलूकयामिनी ।
राहुदंष्ट्रा विवेकेन्दोः सौजन्याम्भोजचन्द्रिका ॥ १५ ॥

himaṃ vairāgyavallīnāṃ vikārolūkayāminī ,
rāhudaṃṣṭrā vivekendoḥ saujanyāmbhojacandrikā 15

15. himam vairāgyavallīnām vikārolūkayāminī
rāhudaṃṣṭrā viveka indoḥ saujanyāmbhojacandrikā

15. It is like frost to the creepers of dispassion (vairāgya), a night for the owls of delusion. It is the fangs of Rāhu for the moon of discrimination, and like moonlight for the lotuses of kindness (causing them to close).

Words meanings summery:

• हिमम् (himam) - ice, snow, frost, cold

• वैराग्यवल्लीनाम् (vairāgyavallīnām) - of the creepers of dispassion/detachment

• विकारोलूकयामिनी (vikārolūkayāminī) - a night for the owls of delusion/corruption

• राहुदंष्ट्रा (rāhudaṁṣṭrā) - the fangs of Rāhu

• विवेक (viveka) - discrimination, discernment, judgment

• इन्दोः (indoḥ) - of the moon (which symbolizes clarity/wisdom) (of the moon)

• सौजन्याम्भोजचन्द्रिका (saujanyāmbhojacandrikā) - Moonlight that causes lotuses of kindness to close (the moonlight for the lotus of kindness/goodness)

Words meanings and morphology

हिमम् (himam) - ice, snow, frost, cold

(noun)

Nominative, neuter, singular of hima

hima - frost, snow, ice, cold, winter

Root: hi

वैराग्यवल्लीनाम् (vairāgyavallīnām) - of the creepers of dispassion/detachment

(noun)

Genitive, feminine, plural of vairāgyavallī

vairāgyavallī - creeper of dispassion/detachment

Compound.

Compound type : Tatpuruṣa (vairāgya+vallī)

• vairāgya – dispassion, detachment, indifference to worldly objects (vairāgya)
  noun (neuter)
  From virāga (absence of passion) + ya suffix.
  Prefix: vi
  Root: rañj (class 1)
• vallī – creeper, climbing plant, vine
  noun (feminine)

विकारोलूकयामिनी (vikārolūkayāminī) - a night for the owls of delusion/corruption

(noun)

Nominative, feminine, singular of vikārolūkayāminī

vikārolūkayāminī - a night (yāminī) for the owls (ulūka) of delusion/change (vikāra)

Compound.

Compound type : Tatpuruṣa (vikāra+ulūka+yāminī)

• vikāra – change, transformation, alteration, corruption, delusion, perversion
  noun (masculine)
  From vi + kṛ (to do, make) + ghañ suffix.
  Prefix: vi
  Root: kṛ (class 8)
• ulūka – owl
  noun (masculine)
• yāminī – night
  noun (feminine)
  From root yam (to restrain) + ini suffix.
  Root: yam (class 1)

Note: Qualifies the implied subject.

राहुदंष्ट्रा (rāhudaṁṣṭrā) - the fangs of Rāhu

(noun)

Nominative, feminine, singular of rāhudaṃṣṭrā

rāhudaṁṣṭrā - Rāhu's fangs

Compound.

Compound type : Tatpuruṣa (rāhu+daṃṣṭrā)

• rāhu – Rāhu (a mythical demon who swallows the sun or moon, causing eclipses)
  proper noun (masculine)
• daṃṣṭrā – fang, tusk, large tooth
  noun (feminine)
  From root daṃś (to bite).
  Root: daṃś (class 1)

Note: Qualifies the implied subject.

विवेक (viveka) - discrimination, discernment, judgment

(noun)

masculine, singular of viveka

viveka - discrimination, discernment, distinguishing, reason

From vi + vic (to separate) + ghañ suffix.

Prefix: vi

Root: vic (class 7)

Note: First part of the compound 'viveka-indu'.

इन्दोः (indoḥ) - of the moon (which symbolizes clarity/wisdom) (of the moon)

(noun)

Genitive, masculine, singular of indu

indu - moon, drop, spark, point

Note: Second part of the compound 'viveka-indu', declined in the genitive.

सौजन्याम्भोजचन्द्रिका (saujanyāmbhojacandrikā) - Moonlight that causes lotuses of kindness to close (the moonlight for the lotus of kindness/goodness)

(noun)

Nominative, feminine, singular of saujanyāmbhojacandrikā

saujanyāmbhojacandrikā - moonlight (candrikā) for the lotus (ambhoja) of kindness (saujanya)

Compound.

Compound type : Tatpuruṣa (saujanya+ambhoja+candrikā)

• saujanya – kindness, goodness, gentleness, civility
  noun (neuter)
  From sujana (good person) + ya suffix.
  Prefix: su
  Root: jan (class 4)
• ambhoja – lotus (literally, 'water-born')
  noun (neuter)
  From ambhas (water) + ja (born).
  Root: jan (class 4)
• candrikā – moonlight
  noun (feminine)
  From candra (moon) + ika suffix.

Note: Qualifies the implied subject.