योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-50, verse-30

निघृष्टनवरत्नाभे यदा नयनतारके ।
तदा तयोर्बाह्यगतः पदार्थः प्रतिबिम्बति ॥ ३० ॥

nighṛṣṭanavaratnābhe yadā nayanatārake ,
tadā tayorbāhyagataḥ padārthaḥ pratibimbati 30

30. nighṛṣṭanavarātnābhe yadā nayanatārake tadā
tayoḥ bāhyagataḥ padārthaḥ pratibimbati

30. nayanatārake yadā nighṛṣṭanavarātnābhe tadā
tayoḥ bāhyagataḥ padārthaḥ pratibimbati

30. When the pupils of the eyes are as clear and lustrous as polished new gems, then an external object reflects within them.

Words meanings summery:

• निघृष्टनवरात्नाभे (nighṛṣṭanavarātnābhe) - like polished new gems

• यदा (yadā) - when, at which time

• नयनतारके (nayanatārake) - pupils of the eyes

• तदा (tadā) - then, at that time

• तयोः (tayoḥ) - of them (the two)

• बाह्यगतः (bāhyagataḥ) - external, situated externally

• पदार्थः (padārthaḥ) - object, thing, category

• प्रतिबिम्बति (pratibimbati) - is reflected, appears as a reflection

Words meanings and morphology

निघृष्टनवरात्नाभे (nighṛṣṭanavarātnābhe) - like polished new gems

(adjective)

Nominative, neuter, dual of nighṛṣṭanavarātnābha

nighṛṣṭanavarātnābha - resembling polished new gems

Compound type : tatpuruṣa (nighṛṣṭa+nava+ratna+ābha)

• nighṛṣṭa – polished, rubbed, cleansed
  adjective (masculine)
  Past Passive Participle
  Derived from root ghṛṣ (to rub, grind) with prefix ni
  Prefix: ni
  Root: ghṛṣ (class 1)
• nava – new, fresh
  adjective (masculine)
• ratna – gem, jewel, precious stone
  noun (neuter)
• ābha – splendour, likeness, semblance, appearance
  noun (masculine)
  Derived from root bhā (to shine) with prefix ā
  Prefix: ā
  Root: bhā (class 2)

Note: Agrees with nayanatārake in case, gender, and number.

यदा (yadā) - when, at which time

(indeclinable)

नयनतारके (nayanatārake) - pupils of the eyes

(noun)

Nominative, feminine, dual of nayanatārakā

nayanatārakā - pupil of the eye

Compound type : tatpuruṣa (nayana+tārakā)

• nayana – eye, leading
  noun (neuter)
  Derived from root nī (to lead)
  Root: nī (class 1)
• tārakā – star, pupil of the eye
  noun (feminine)

तदा (tadā) - then, at that time

(indeclinable)

तयोः (tayoḥ) - of them (the two)

(pronoun)

Genitive, dual of tad

tad - that, he, she, it

बाह्यगतः (bāhyagataḥ) - external, situated externally

(adjective)

Nominative, masculine, singular of bāhyagata

bāhyagata - external, gone outside, situated externally

Compound type : tatpuruṣa (bāhya+gata)

• bāhya – external, outer
  adjective (masculine)
  Derived from bahis (outside)
• gata – gone, situated, arrived at
  adjective (masculine)
  Past Passive Participle
  Derived from root gam (to go)
  Root: gam (class 1)

पदार्थः (padārthaḥ) - object, thing, category

(noun)

Nominative, masculine, singular of padārtha

padārtha - meaning of a word, object, thing, category (in philosophy)

Compound type : tatpuruṣa (pada+artha)

• pada – foot, step, word, state
  noun (neuter)
• artha – meaning, purpose, object, wealth
  noun (masculine)

प्रतिबिम्बति (pratibimbati) - is reflected, appears as a reflection

(verb)

3rd person , singular, active, present (lat) of pratibimb

Prefix: prati

Root: bimb (class 1)