योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-24, verse-9

पद्मिन्य इव हेमन्ते क्षीयन्ते भोगवासनाः ।
तावन्निशीथवेताला वल्गन्ति हृदि वासनाः ॥ ९ ॥

padminya iva hemante kṣīyante bhogavāsanāḥ ,
tāvanniśīthavetālā valganti hṛdi vāsanāḥ 9

9. padminyaḥ iva hemante kṣīyante bhogavāsanāḥ |
tāvat niśīthavetālā valganti hṛdi vāsanāḥ ||

9. hemante padminyaḥ iva bhogavāsanāḥ kṣīyante
tāvat niśīthavetālā vāsanāḥ hṛdi valganti

9. Just as lotus flowers wither in winter, desires for worldly enjoyments (bhogavāsanāḥ) dwindle. Until they are fully eradicated, latent impressions (vāsanāḥ) dance in the heart like nocturnal goblins.

Words meanings summery:

• पद्मिन्यः (padminyaḥ) - lotus flowers

• इव (iva) - like, as, as if

• हेमन्ते (hemante) - in winter

• क्षीयन्ते (kṣīyante) - they dwindle, decline, are destroyed

• भोगवासनाः (bhogavāsanāḥ) - desires for worldly enjoyments

• तावत् (tāvat) - Here used to indicate "until" or "so long as this situation prevails". (so long, until then, as long as)

• निशीथवेताला (niśīthavetālā) - nocturnal goblins

• वल्गन्ति (valganti) - they dance, leap, gambol

• हृदि (hṛdi) - in the heart

• वासनाः (vāsanāḥ) - Referring to deeper, more subtle latent impressions (vāsanāḥ) that persist even when gross desires (bhogavāsanāḥ) wane. (latent impressions, mental tendencies, desires)

Words meanings and morphology

पद्मिन्यः (padminyaḥ) - lotus flowers

(noun)

Nominative, feminine, plural of padminī

padminī - lotus, lotus plant, assemblage of lotuses

इव (iva) - like, as, as if

(indeclinable)

हेमन्ते (hemante) - in winter

(noun)

Locative, masculine, singular of hemanta

hemanta - winter, cold season

क्षीयन्ते (kṣīyante) - they dwindle, decline, are destroyed

(verb)

3rd person , plural, passive, present (laṭ) of kṣī

Passive voice present tense

Root `kṣi` (5th class) used in passive (`kṣīyate`).

Root: kṣi (class 5)

भोगवासनाः (bhogavāsanāḥ) - desires for worldly enjoyments

(noun)

Nominative, feminine, plural of bhogavāsanā

bhogavāsanā - desire for enjoyment, longing for pleasure

Compound of `bhoga` and `vāsanā`.

Compound type : tatpuruṣa (bhoga+vāsanā)

• bhoga – enjoyment, pleasure, experience, worldly possession
  noun (masculine)
  Root: bhuj (class 7)
• vāsanā – latent impression, mental tendency, desire, longing
  noun (feminine)
  Derived from root `vas` (to dwell, to perfume)
  Root: vas (class 1)

तावत् (tāvat) - Here used to indicate "until" or "so long as this situation prevails". (so long, until then, as long as)

(indeclinable)

Note: Used here to imply a condition for the persistence of the 'vāsanāḥ'.

निशीथवेताला (niśīthavetālā) - nocturnal goblins

(noun)

Nominative, masculine, plural of niśīthavetāla

niśīthavetāla - nocturnal goblin, a ghost haunting at night

Compound of `niśītha` and `vetāla`.

Compound type : tatpuruṣa (niśītha+vetāla)

• niśītha – midnight, night
  noun (masculine)
• vetāla – a goblin, vampire, demon
  noun (masculine)

Note: Grammatically, nominative plural masculine is usually `niśīthavetālāḥ`. This form is likely a poetic usage.

वल्गन्ति (valganti) - they dance, leap, gambol

(verb)

3rd person , plural, active, present (laṭ) of valg

Present active voice

Root `valg` (1st class)

Root: valg (class 1)

हृदि (hṛdi) - in the heart

(noun)

Locative, neuter, singular of hṛd

hṛd - heart, mind, core, essence

वासनाः (vāsanāḥ) - Referring to deeper, more subtle latent impressions (vāsanāḥ) that persist even when gross desires (bhogavāsanāḥ) wane. (latent impressions, mental tendencies, desires)

(noun)

Nominative, feminine, plural of vāsanā

vāsanā - latent impression, mental tendency, desire, longing, perfume, dwelling

Derived from root `vas` (to dwell, to perfume).

Root: vas (class 1)