योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-16, verse-9

सुरतैः सुरतारुण्यैः सुन्दरः सुन्दरेहितैः ।
ईहितैः पेशलान्योन्यघनप्रेमरसाधिकैः ॥ ९ ॥

surataiḥ suratāruṇyaiḥ sundaraḥ sundarehitaiḥ ,
īhitaiḥ peśalānyonyaghanapremarasādhikaiḥ 9

9. surataiḥ suratāruṇyaiḥ sundaraḥ sundarehitaiḥ
īhitaiḥ peśala-anyonyaghana-premarasa-adhikaiḥ

9. sundaraḥ surataiḥ suratāruṇyaiḥ sundarehitaiḥ
īhitaiḥ peśala-anyonyaghana-premarasa-adhikaiḥ

9. He is charming by means of amorous sports, by the freshness of youthful love, and by delightful actions; by endeavors that are graceful, deeply imbued with intense mutual love and sentiment, and truly exceptional.

Words meanings summery:

• सुरतैः (surataiḥ) - by amorous sports, by sexual enjoyments

• सुरतारुण्यैः (suratāruṇyaiḥ) - by youthful passion for love, by the freshness of love

• सुन्दरः (sundaraḥ) - beautiful, charming, handsome

• सुन्दरेहितैः (sundarehitaiḥ) - by beautiful actions, by charming endeavors

• ईहितैः (īhitaiḥ) - by endeavors (by actions, by deeds, by efforts)

• पेशल-अन्योन्यघन-प्रेमरस-अधिकैः (peśala-anyonyaghana-premarasa-adhikaiḥ) - by actions graceful, intensely imbued with mutual love and sentiment, and truly exceptional

Words meanings and morphology

सुरतैः (surataiḥ) - by amorous sports, by sexual enjoyments

(noun)

Instrumental, neuter, plural of surata

surata - amorous sport, sexual union, delight

From prefix `su` (good, well) + root `ram` (to delight)

Prefix: su

Root: ram (class 1)

सुरतारुण्यैः (suratāruṇyaiḥ) - by youthful passion for love, by the freshness of love

(noun)

Instrumental, neuter, plural of suratāruṇya

suratāruṇya - youthful love, freshness of amorous passion

Compound of `surata` (amorous sport) and `āruṇya` (freshness, youthfulness)

Compound type : Tatpuruṣa (surata+āruṇya)

• surata – amorous sport, sexual union
  noun (neuter)
  From prefix `su` (good, well) + root `ram` (to delight)
  Prefix: su
  Root: ram (class 1)
• āruṇya – freshness, youth, dawn-redness
  noun (neuter)
  From `aruṇa` (red, dawn)

सुन्दरः (sundaraḥ) - beautiful, charming, handsome

(adjective)

Nominative, masculine, singular of sundara

sundara - beautiful, charming, handsome, excellent

Note: Describes the implicit subject (he/she/it).

सुन्दरेहितैः (sundarehitaiḥ) - by beautiful actions, by charming endeavors

(noun)

Instrumental, neuter, plural of sundarehita

sundarehita - beautiful action/deed, charming endeavor

Compound of `sundara` (beautiful) and `īhita` (action, deed)

Compound type : Tatpuruṣa (sundara+īhita)

• sundara – beautiful, charming, handsome
  adjective (masculine)
• īhita – action, deed, effort, wish
  noun (neuter)
  Past Passive Participle
  From root √īh (to strive, wish)
  Root: īh (class 1)

ईहितैः (īhitaiḥ) - by endeavors (by actions, by deeds, by efforts)

(noun)

Instrumental, neuter, plural of īhita

īhita - action, deed, effort, wish

Past Passive Participle

From root √īh (to strive, wish)

Root: īh (class 1)

Note: This word takes the subsequent long compound as an adjective.

पेशल-अन्योन्यघन-प्रेमरस-अधिकैः (peśala-anyonyaghana-premarasa-adhikaiḥ) - by actions graceful, intensely imbued with mutual love and sentiment, and truly exceptional

(adjective)

Instrumental, neuter, plural of peśalānyonyaghanapremarasādhika

peśalānyonyaghanapremarasādhika - (adjective describing actions) charming/graceful, marked by mutually intense love's essence, and superior/abundant.

A complex descriptive compound modifying `īhita`.

Compound type : Descriptive compound (Karma-dhāraya type) (peśala+anyonyaghana+premarasa+adhika)

• peśala – charming, graceful, skillful, beautiful
  adjective (neuter)
• anyonyaghana – mutually intense/dense
  adjective (masculine)
  Compound of `anyonyā` (mutual) and `ghana` (intense)
• premarasa – essence/sentiment of love
  noun (masculine)
  Compound of `prema` (love) and `rasa` (sentiment)
• adhika – exceeding, superior, abundant, exceptional
  adjective (masculine)

Note: Agrees with `īhitaiḥ`.