योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-150, verse-47

कणैस्तारागणं कान्तैर्व्योम्नि द्विगुणतां नयन् ।
वक्षःस्थबालवनितानयनानन्दनन्दनः ॥ ४७ ॥

kaṇaistārāgaṇaṃ kāntairvyomni dviguṇatāṃ nayan ,
vakṣaḥsthabālavanitānayanānandanandanaḥ 47

47. kaṇaiḥ tārāgaṇam kāntaiḥ vyomni dviguṇatām
nayan vakṣaḥsthabālava-nitānayanānandanandanaḥ

47. vakṣaḥsthabālava-nitānayanānandanandanaḥ
kāntaiḥ kaṇaiḥ vyomni tārāgaṇam dviguṇatām nayan

47. Making the multitude of stars (tārāgaṇaṃ) in the sky (vyomni) appear twice as numerous (dviguṇatāṃ nayan) with his radiant particles (kāntaiḥ kaṇaiḥ), he is the very embodiment of joy (nandanaḥ) to the eyes of young women (bālava-nitā-nayana-ānanda) resting upon his chest (vakṣaḥstha).

Words meanings summery:

• कणैः (kaṇaiḥ) - by radiant/charming sparks (referring to his effulgence) (by particles, by drops, by sparks)

• तारागणम् (tārāgaṇam) - multitude of stars, constellation

• कान्तैः (kāntaiḥ) - by his charming/radiant (particles) (by charming, by beautiful, by beloved)

• व्योम्नि (vyomni) - in the sky, in the atmosphere

• द्विगुणताम् (dviguṇatām) - to the state of being twofold/double

• नयन् (nayan) - making (the stars appear twofold) (leading, bringing, carrying, making, causing)

• वक्षःस्थबालव-नितानयनानन्दनन्दनः (vakṣaḥsthabālava-nitānayanānandanandanaḥ) - who is the delight to the eyes of young women on his chest

Words meanings and morphology

कणैः (kaṇaiḥ) - by radiant/charming sparks (referring to his effulgence) (by particles, by drops, by sparks)

(noun)

Instrumental, masculine, plural of kaṇa

kaṇa - particle, grain, drop, spark

तारागणम् (tārāgaṇam) - multitude of stars, constellation

(noun)

Accusative, neuter, singular of tārāgaṇa

tārāgaṇa - a group or multitude of stars

Tatpuruṣa compound: tārā (star) + gaṇa (multitude)

Compound type : tatpuruṣa (tārā+gaṇa)

• tārā – star
  noun (feminine)
• gaṇa – multitude, group, host
  noun (masculine)

Note: Object of 'nayan'.

कान्तैः (kāntaiḥ) - by his charming/radiant (particles) (by charming, by beautiful, by beloved)

(adjective)

Instrumental, masculine, plural of kānta

kānta - charming, beautiful, beloved, desired

Past Passive Participle

From root kam (to desire, love)

Root: kam (class 1)

व्योम्नि (vyomni) - in the sky, in the atmosphere

(noun)

Locative, neuter, singular of vyoman

vyoman - sky, air, atmosphere

द्विगुणताम् (dviguṇatām) - to the state of being twofold/double

(noun)

Accusative, feminine, singular of dviguṇatā

dviguṇatā - twofoldness, doubleness, the state of being double

Derived from dviguṇa (twofold) + suffix -tā (state of being)

Note: Complement to 'nayan' (making into...).

नयन् (nayan) - making (the stars appear twofold) (leading, bringing, carrying, making, causing)

(adjective)

Nominative, masculine, singular of nayat

nayat - leading, guiding, bringing, causing, making

Present Active Participle

From root nī (to lead, carry, bring)

Root: nī (class 1)

वक्षःस्थबालव-नितानयनानन्दनन्दनः (vakṣaḥsthabālava-nitānayanānandanandanaḥ) - who is the delight to the eyes of young women on his chest

(noun)

Nominative, masculine, singular of vakṣaḥsthabālava-nitānayanānandanandana

vakṣaḥsthabālava-nitānayanānandanandana - one who is the delight of the joy of the eyes of young women staying on the chest

Bahuvrīhi compound describing a person/entity. Composed of vakṣaḥstha (on the chest) + bālava-nitā (young women) + nayana (eyes) + ānanda (joy) + nandana (delight-maker).

Compound type : bahuvrīhi (vakṣaḥstha+bālava-nitā+nayana+ānanda+nandana)

• vakṣaḥstha – staying on the chest
  adjective
  Compound: vakṣas (chest) + stha (staying, from sthā)
  Root: sthā (class 1)
• bālava-nitā – young woman
  noun (feminine)
  Compound: bāla (young) + vanitā (woman)
• nayana – eye
  noun (neuter)
  From root nī (to lead, guide), here as an instrument for seeing.
  Root: nī (class 1)
• ānanda – joy, bliss
  noun (masculine)
  From ā-nand (to rejoice)
  Prefix: ā
  Root: nand (class 1)
• nandana – delighting, gladdening; a son; a garden
  noun (masculine)
  From root nand (to rejoice)
  Root: nand (class 1)

Note: The main subject of the implied sentence.