योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-52, verse-64

तृष्णयैव विनष्टाः स्थ व्यर्थमिन्द्रियबालकाः ।
कोशकारकुकृमयस्तन्तुनेव स्वयंभुवा ॥ ६४ ॥

tṛṣṇayaiva vinaṣṭāḥ stha vyarthamindriyabālakāḥ ,
kośakārakukṛmayastantuneva svayaṃbhuvā 64

64. tṛṣṇayā eva vinaṣṭāḥ stha vyartham indriyabālakāḥ
kośakārakukṛmayaḥ tantunā iva svayambhuvā

64. indriyabālakāḥ stha vyartham tṛṣṇayā eva vinaṣṭāḥ
svayambhuvā tantunā iva kośakārakukṛmayaḥ

64. You, O victims of your senses, are fruitlessly destroyed solely by craving, just like those silk-producing worms are by the very thread they themselves generate.

Words meanings summery:

• तृष्णया (tṛṣṇayā) - by craving, by thirst, by desire

• एव (eva) - only, just, indeed

• विनष्टाः (vinaṣṭāḥ) - ruined, destroyed, perished

• स्थ (stha) - you are

• व्यर्थम् (vyartham) - uselessly, in vain, to no purpose

• इन्द्रियबालकाः (indriyabālakāḥ) - children of the senses, sense-bound individuals, those controlled by senses

• कोशकारकुकृमयः (kośakārakukṛmayaḥ) - Refers to silkworms as an analogy. (silkworms (literally, bad worms that make cocoons))

• तन्तुना (tantunā) - The silk thread produced by the worm. (by the thread, by the fiber)

• इव (iva) - like, as, as if

• स्वयम्भुवा (svayambhuvā) - By the thread produced by themselves (the silkworms). (by what is self-produced, by one's own creation)

Words meanings and morphology

तृष्णया (tṛṣṇayā) - by craving, by thirst, by desire

(noun)

Instrumental, feminine, singular of tṛṣṇā

tṛṣṇā - craving, thirst, desire, longing

from root tṛṣ 'to thirst'

Root: tṛṣ (class 4)

Note: Indicates the agent of destruction.

एव (eva) - only, just, indeed

(indeclinable)

Note: Emphasizes tṛṣṇayā.

विनष्टाः (vinaṣṭāḥ) - ruined, destroyed, perished

(adjective)

Nominative, masculine, plural of vinaṣṭa

vinaṣṭa - ruined, destroyed, perished, lost

Past Passive Participle

from vi-naś 'to perish, to be destroyed'

Prefix: vi

Root: naś (class 4)

Note: Describes the state of the indriyabālakāḥ.

स्थ (stha) - you are

(verb)

2nd person , plural, active, present (laṭ) of as

present tense

as (root) + tha (termination)

Root: as (class 2)

व्यर्थम् (vyartham) - uselessly, in vain, to no purpose

(indeclinable)

Compound of vi and artha

Compound type : avyayībhāva (vi+artha)

• vi – apart, without, opposite
  indeclinable
• artha – purpose, meaning, wealth, object
  noun (masculine)

Note: Modifies vinaṣṭāḥ.

इन्द्रियबालकाः (indriyabālakāḥ) - children of the senses, sense-bound individuals, those controlled by senses

(noun)

Nominative, masculine, plural of indriyabālaka

indriyabālaka - child of senses, one subject to senses

compound of indriya and bālaka

Compound type : tatpuruṣa (indriya+bālaka)

• indriya – sense organ, faculty of sense
  noun (neuter)
• bālaka – child, youth, ignorant person
  noun (masculine)

Note: Vocative or subject of stha.

कोशकारकुकृमयः (kośakārakukṛmayaḥ) - Refers to silkworms as an analogy. (silkworms (literally, bad worms that make cocoons))

(noun)

Nominative, masculine, plural of kośakārakukṛmi

kośakārakukṛmi - cocoon-making bad worm, silkworm

compound of kośakāra and kukṛmi

Compound type : karmadhāraya (kośakāra+kukṛmi)

• kośakāra – cocoon-maker
  noun (masculine)
  compound of kośa (cocoon) and kāra (maker)
• kukṛmi – bad worm, miserable worm
  noun (masculine)
  compound of ku (bad) and kṛmi (worm)
  Prefix: ku

Note: Subject of implied comparison.

तन्तुना (tantunā) - The silk thread produced by the worm. (by the thread, by the fiber)

(noun)

Instrumental, masculine, singular of tantu

tantu - thread, fiber, string

Root: tan (class 8)

Note: Agent of entrapment.

इव (iva) - like, as, as if

(indeclinable)

स्वयम्भुवा (svayambhuvā) - By the thread produced by themselves (the silkworms). (by what is self-produced, by one's own creation)

(adjective)

Instrumental, masculine, singular of svayambhu

svayambhu - self-existent, self-produced, spontaneously generated

Compound of svayam and bhū

Compound type : bahuvrīhi (svayam+bhū)

• svayam – self, by oneself, spontaneously
  indeclinable
• bhū – being, existence, becoming (from root bhū 'to be')
  noun (masculine)
  Root: bhū (class 1)

Note: Agrees with tantunā.