योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-155, verse-16

अविद्यारूपमाभोगि किंप्रमाणमिदं जगत् ।
स्यादित्यात्मविकल्पेन तपस्त्वं कर्तुमुद्यतः ॥ १६ ॥

avidyārūpamābhogi kiṃpramāṇamidaṃ jagat ,
syādityātmavikalpena tapastvaṃ kartumudyataḥ 16

16. avidyārūpam ābhogi kim pramāṇam idam jagat | syāt
iti ātmavikalpena tapas tvam kartum udyataḥ ||

16. idam jagat avidyārūpam ābhogi,
kim pramāṇam syāt iti,
ātma-vikalpena tvam tapas kartum udyataḥ

16. This world, which takes the form of ignorance (avidyā) and is all-pervading, what is its true measure? Thinking 'it might be so' by your own mental construct (ātman-vikalpa), you are intent on performing asceticism (tapas).

Words meanings summery:

• अविद्यारूपम् (avidyārūpam) - having the form of ignorance, ignorance-shaped

• आभोगि (ābhogi) - all-pervading, extensive, enjoying (less likely here)

• किम् (kim) - what? how? why?

• प्रमाणम् (pramāṇam) - measure, standard, proof, authority

• इदम् (idam) - this

• जगत् (jagat) - world, universe

• स्यात् (syāt) - may be, might be, let it be

• इति (iti) - thus, so, marking direct speech or thought

• आत्मविकल्पेन (ātmavikalpena) - by the self's (ātman) delusion/imagination/construct

• तपस् (tapas) - austerity, penance, asceticism (tapas)

• त्वम् (tvam) - you (singular)

• कर्तुम् (kartum) - to do, to perform

• उद्यतः (udyataḥ) - ready, prepared, intent, risen

Words meanings and morphology

अविद्यारूपम् (avidyārūpam) - having the form of ignorance, ignorance-shaped

(adjective)

Nominative, neuter, singular of avidyārūpa

avidyārūpa - having the form of ignorance, consisting of ignorance

Compound type : tatpurusha (avidyā+rūpa)

• avidyā – ignorance, nescience, spiritual ignorance
  noun (feminine)
  Compound of 'a' (not) and 'vidyā' (knowledge)
• rūpa – form, shape, nature, appearance
  noun (neuter)

आभोगि (ābhogi) - all-pervading, extensive, enjoying (less likely here)

(adjective)

Nominative, neuter, singular of ābhogin

ābhogin - all-pervading, extensive, enjoying, a serpent

Derived from ā-√bhuj (to enjoy, occupy)

Prefix: ā

Root: √bhuj (class 7)

किम् (kim) - what? how? why?

(pronoun)

Nominative, neuter, singular of kim

kim - what? which? why? how?

प्रमाणम् (pramāṇam) - measure, standard, proof, authority

(noun)

Nominative, neuter, singular of pramāṇa

pramāṇa - measure, standard, proof, authority, means of knowledge

Derived from pra-√mā (to measure)

Prefix: pra

Root: √mā (class 2)

इदम् (idam) - this

(pronoun)

Nominative, neuter, singular of idam

idam - this, this one

जगत् (jagat) - world, universe

(noun)

Nominative, neuter, singular of jagat

jagat - moving, living, the world, universe

Present Active Participle (originally from √gam)

Root: √gam (class 1)

स्यात् (syāt) - may be, might be, let it be

(verb)

3rd person , singular, active, optative (liṅ) of syāt

Optative Mood, 3rd Person Singular

Root: √as (class 2)

इति (iti) - thus, so, marking direct speech or thought

(indeclinable)

Note: Marks the preceding thought or statement

आत्मविकल्पेन (ātmavikalpena) - by the self's (ātman) delusion/imagination/construct

(noun)

Instrumental, masculine, singular of ātmavikalpa

ātmavikalpa - self-delusion, mental construct of the self, self-conception

Compound type : ṣaṣṭhī-tatpuruṣa (ātman+vikalpa)

• ātman – self, soul, spirit
  noun (masculine)
• vikalpa – option, doubt, imagination, mental construct, distinction
  noun (masculine)
  Derived from vi-√kḷp (to form, imagine)
  Prefix: vi
  Root: √kḷp (class 1)

तपस् (tapas) - austerity, penance, asceticism (tapas)

(noun)

Accusative, neuter, singular of tapas

tapas - heat, warmth, austerity, penance, religious mortification (tapas)

Derived from root √tap (to heat, burn)

Root: √tap (class 1)

Note: Object of the infinitive 'kartum'

त्वम् (tvam) - you (singular)

(pronoun)

Nominative, singular of yūṣmad

yūṣmad - you

कर्तुम् (kartum) - to do, to perform

(indeclinable)

Infinitive

Infinitive form from root √kṛ (to do)

Root: √kṛ (class 8)

उद्यतः (udyataḥ) - ready, prepared, intent, risen

(adjective)

Nominative, masculine, singular of udyata

udyata - ready, prepared, exerted, raised, begun

Past Passive Participle

Derived from root √yam (to restrain, hold) with upasarga ud-

Prefix: ud

Root: √yam (class 1)