योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-90, verse-14

अकृत्रिमप्रेमरसानुविद्धं स्नेहं तयोस्ते प्रतिवीक्ष्य कान्तम् ।
वृक्षा अपि प्रेमरसानुविद्धाः शृङ्गारचेष्टाकुलिता भवन्ति ॥ १४ ॥

akṛtrimapremarasānuviddhaṃ snehaṃ tayoste prativīkṣya kāntam ,
vṛkṣā api premarasānuviddhāḥ śṛṅgāraceṣṭākulitā bhavanti 14

14. akṛtrimapremarasānuviddham sneham
tayoḥ te prativīkṣya kāntam |
vṛkṣāḥ api premarasānuviddhāḥ
śṛṅgāraceṣṭākulitāḥ bhavanti || 14 ||

14. tayoḥ te akṛtrimapremarasānuviddham
kāntam sneham prativīkṣya
api vṛkṣāḥ premarasānuviddhāḥ
śṛṅgāraceṣṭākulitāḥ bhavanti 14

14. Upon seeing their charming affection, imbued with a genuine sentiment of love, even the trees, themselves influenced by that sentiment of love, become agitated with amorous gestures.

Words meanings summery:

• अकृत्रिमप्रेमरसानुविद्धम् (akṛtrimapremarasānuviddham) - imbued with the sentiment of genuine love, permeated by natural love-sentiment

• स्नेहम् (sneham) - affection, love (affection, love, tenderness, oil)

• तयोः (tayoḥ) - of the two (of those two, of them two)

• ते (te) - their (dual) (their (dual), by you, you (plural))

• प्रतिवीक्ष्य (prativīkṣya) - upon seeing, observing (having seen, having observed)

• कान्तम् (kāntam) - charming, lovely (lovely, charming, desired, beloved)

• वृक्षाः (vṛkṣāḥ) - trees

• अपि (api) - even (even, also, too)

• प्रेमरसानुविद्धाः (premarasānuviddhāḥ) - imbued with the sentiment of love (imbued with the sentiment of love, permeated by love-sentiment)

• शृङ्गारचेष्टाकुलिताः (śṛṅgāraceṣṭākulitāḥ) - agitated by amorous gestures (agitated/disturbed by amorous gestures/activities)

• भवन्ति (bhavanti) - they become (they become, they are)

Words meanings and morphology

अकृत्रिमप्रेमरसानुविद्धम् (akṛtrimapremarasānuviddham) - imbued with the sentiment of genuine love, permeated by natural love-sentiment

(adjective)

Accusative, neuter, singular of akṛtrimapremarasānuviddha

akṛtrimapremarasānuviddha - imbued with the sentiment of genuine love

Past Passive Participle

From anu-vidh (to penetrate, pierce) with premarasa (love-sentiment) and akṛtrima (natural, genuine). viddha is PPP of vidh.

Compound type : karmadharaya (akṛtrima+premarasa+anu-viddha)

• akṛtrima – not artificial, natural, genuine
  adjective (masculine/feminine/neuter)
  a (negation) + kṛtrima (artificial)
• premarasa – sentiment/nectar of love, love-sentiment
  noun (masculine)
  prema (love) + rasa (sentiment, essence, nectar)
• anu-viddha – penetrated, pierced, imbued (PPP of anu-vidh)
  adjective (masculine/feminine/neuter)
  Past Passive Participle
  From root vidh with prefix anu.
  Prefix: anu
  Root: vidh (class 6)

Note: Modifies sneham.

स्नेहम् (sneham) - affection, love (affection, love, tenderness, oil)

(noun)

Accusative, masculine, singular of sneha

sneha - affection, love, tenderness, oil

From root snih (to be sticky, to love).

Root: snih (class 4)

Note: Object of prativīkṣya.

तयोः (tayoḥ) - of the two (of those two, of them two)

(pronoun)

Genitive, masculine/neuter, dual of tad

tad - that, those

Demonstrative pronoun.

Note: Possessive, refers to two individuals.

ते (te) - their (dual) (their (dual), by you, you (plural))

(pronoun)

Genitive, masculine/feminine/neuter, dual of tad

tad - that, those, their

Demonstrative pronoun, here functioning as a possessive. te can be genitive/dative dual of tad, or nominative/accusative plural of tvad. Here it's genitive dual agreeing with tayoḥ.

Note: Redundant with tayoḥ, emphasizing 'their' affection.

प्रतिवीक्ष्य (prativīkṣya) - upon seeing, observing (having seen, having observed)

(indeclinable)

Absolutive (gerund)

From root īkṣ with prefixes prati and vi. The ya suffix indicates an absolutive.

Prefixes: prati+vi

Root: īkṣ (class 1)

Note: Expresses an action completed before the main verb bhavanti.

कान्तम् (kāntam) - charming, lovely (lovely, charming, desired, beloved)

(adjective)

Accusative, masculine, singular of kānta

kānta - lovely, charming, desired, beloved

Past Passive Participle

From root kam (to desire).

Root: kam (class 1)

Note: Modifies sneham.

वृक्षाः (vṛkṣāḥ) - trees

(noun)

Nominative, masculine, plural of vṛkṣa

vṛkṣa - tree

Note: Subject of bhavanti.

अपि (api) - even (even, also, too)

(indeclinable)

Particle.

Note: Emphasizes vṛkṣāḥ.

प्रेमरसानुविद्धाः (premarasānuviddhāḥ) - imbued with the sentiment of love (imbued with the sentiment of love, permeated by love-sentiment)

(adjective)

Nominative, masculine, plural of premarasānuviddha

premarasānuviddha - imbued with the sentiment of love

Past Passive Participle

From anu-vidh (to penetrate, pierce) with premarasa (love-sentiment). viddha is PPP of vidh.

Compound type : karmadharaya (premarasa+anu-viddha)

• premarasa – sentiment/nectar of love, love-sentiment
  noun (masculine)
  prema (love) + rasa (sentiment, essence, nectar)
• anu-viddha – penetrated, pierced, imbued (PPP of anu-vidh)
  adjective (masculine/feminine/neuter)
  Past Passive Participle
  From root vidh with prefix anu.
  Prefix: anu
  Root: vidh (class 6)

Note: Modifies vṛkṣāḥ.

शृङ्गारचेष्टाकुलिताः (śṛṅgāraceṣṭākulitāḥ) - agitated by amorous gestures (agitated/disturbed by amorous gestures/activities)

(adjective)

Nominative, masculine, plural of śṛṅgāraceṣṭākulita

śṛṅgāraceṣṭākulita - agitated by amorous gestures/activities

Past Passive Participle

śṛṅgāraceṣṭā (amorous activity) + ākulita (agitated, disturbed - PPP of ā-kul).

Compound type : bahuvrihi (śṛṅgāraceṣṭā+ākulita)

• śṛṅgāraceṣṭā – amorous activity/gesture, romantic play
  noun (feminine)
  śṛṅgāra (erotic sentiment, love) + ceṣṭā (action, gesture, effort)
• ākulita – agitated, disturbed, dishevelled (PPP of ā-kul)
  adjective (masculine/feminine/neuter)
  Past Passive Participle
  From root kul (to collect, to stir) with prefix ā.
  Prefix: ā
  Root: kul (class 10)

Note: Predicative adjective for vṛkṣāḥ.

भवन्ति (bhavanti) - they become (they become, they are)

(verb)

3rd person , plural, active, present indicative (Laṭ) of bhū

Present active indicative

3rd person plural present active of root bhū.

Root: bhū (class 1)

Note: Main verb of the sentence.