योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-6, verse-57

अन्तःशून्यान्यसाराणि वक्राणि ग्रन्थिमन्ति च ।
दहनैकार्थयोग्यानि दुर्दारूणीन्द्रियाणि च ॥ ५७ ॥

antaḥśūnyānyasārāṇi vakrāṇi granthimanti ca ,
dahanaikārthayogyāni durdārūṇīndriyāṇi ca 57

57. antaḥśūnyāni asārāṇi vakrāṇi granthimanti ca
dahanaikārthayogyāni durdārūṇi indriyāṇi ca

57. indriyāṇi ca antaḥśūnyāni asārāṇi vakrāṇi
granthimanti ca durdārūṇi dahanaikārthayogyāni ca

57. The senses (indriya) are inwardly hollow, lacking essence, crooked, and full of knots; they are like worthless timber, fit only for burning.

Words meanings summery:

• अन्तःशून्यानि (antaḥśūnyāni) - inwardly hollow, empty within

• असाराणि (asārāṇi) - worthless, devoid of essence, unsubstantial

• वक्राणि (vakrāṇi) - crooked, bent, distorted

• ग्रन्थिमन्ति (granthimanti) - knotty, having knots, difficult, intricate

• च (ca) - and, moreover, also

• दहनैकार्थयोग्यानि (dahanaikārthayogyāni) - suitable only for burning

• दुर्दारूणि (durdārūṇi) - bad wood, difficult wood, worthless timber

• इन्द्रियाणि (indriyāṇi) - sense organs, senses

• च (ca) - and, moreover, also

Words meanings and morphology

अन्तःशून्यानि (antaḥśūnyāni) - inwardly hollow, empty within

(adjective)

Nominative, neuter, plural of antaḥśūnya

antaḥśūnya - inwardly hollow, empty within, vain

Compound type : bahuvrihi (antas+śūnya)

• antas – inside, within
  indeclinable
• śūnya – empty, void, hollow, devoid of
  adjective (neuter)

असाराणि (asārāṇi) - worthless, devoid of essence, unsubstantial

(adjective)

Nominative, neuter, plural of asāra

asāra - worthless, devoid of essence, unsubstantial

Compound type : tatpurusha (a+sāra)

• a – not, un-
  indeclinable
• sāra – essence, pith, worth, strength
  noun (masculine)

वक्राणि (vakrāṇi) - crooked, bent, distorted

(adjective)

Nominative, neuter, plural of vakra

vakra - crooked, bent, curved, distorted, indirect

Root: vaṅk (class 1)

ग्रन्थिमन्ति (granthimanti) - knotty, having knots, difficult, intricate

(adjective)

Nominative, neuter, plural of granthimat

granthimat - knotty, having knots, difficult, intricate

च (ca) - and, moreover, also

(indeclinable)

दहनैकार्थयोग्यानि (dahanaikārthayogyāni) - suitable only for burning

(adjective)

Nominative, neuter, plural of dahanaikārthayogya

dahanaikārthayogya - suitable only for burning

Compound type : tatpurusha (dahana+eka+artha+yogya)

• dahana – burning, combustion
  noun (neuter)
  Root: dah (class 1)
• eka – one, sole, only
  numeral (neuter)
• artha – purpose, aim, meaning, wealth
  noun (masculine)
• yogya – suitable, fit, proper
  adjective (neuter)
  Gerundive
  Root yuj + ya suffix
  Root: yuj (class 7)

दुर्दारूणि (durdārūṇi) - bad wood, difficult wood, worthless timber

(noun)

Nominative, neuter, plural of durdāru

durdāru - bad wood, difficult wood, worthless timber

Compound type : tatpurusha (dur+dāru)

• dur – bad, ill, difficult, hard
  indeclinable
• dāru – wood, timber, log
  noun (neuter)

इन्द्रियाणि (indriyāṇi) - sense organs, senses

(noun)

Nominative, neuter, plural of indriya

indriya - sense organ, faculty of sense, vital power

च (ca) - and, moreover, also

(indeclinable)