योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-114, verse-67

मिथ्यैवानर्थकारिण्या मनोमननपीनया ।
अनया दुःखदायिन्या महामोहफलान्तया ॥ ६७ ॥

mithyaivānarthakāriṇyā manomananapīnayā ,
anayā duḥkhadāyinyā mahāmohaphalāntayā 67

67. mithyā eva anarthakāriṇyā manomananapīnayā
anayā duḥkhadāyinyā mahāmohaphalāntayā

67. anayā mithyā eva anarthakāriṇyā manomananapīnayā
duḥkhadāyinyā mahāmohaphalāntayā

67. This [ignorance is] entirely false and productive of harm; it is nourished by the mind's continuous contemplation, gives rise to sorrow, and culminates in the fruit of great delusion (mahāmoha).

Words meanings summery:

• मिथ्या (mithyā) - entirely false (falsely, wrongly, untrue, in vain)

• एव (eva) - indeed, certainly (indeed, certainly, only, just)

• अनर्थकारिण्या (anarthakāriṇyā) - productive of harm (causing harm, productive of misfortune, bringing evil)

• मनोमननपीनया (manomananapīnayā) - nourished by the mind's continuous contemplation (nourished by mental contemplation, fattened by the mind's thoughts)

• अनया (anayā) - by this (ignorance/avidyā) (by this (feminine))

• दुःखदायिन्या (duḥkhadāyinyā) - giving rise to sorrow (causing sorrow, giving pain)

• महामोहफलान्तया (mahāmohaphalāntayā) - whose ultimate outcome is the fruit of great delusion (mahāmoha) (whose end/fruit is great delusion, culminating in great delusion)

Words meanings and morphology

मिथ्या (mithyā) - entirely false (falsely, wrongly, untrue, in vain)

(adjective)

Instrumental, feminine, singular of mithyā

mithyā - falsely, wrongly, in vain, untrue

Note: Functions as an adjective, agreeing with 'anayā' and 'anarthakāriṇyā'.

एव (eva) - indeed, certainly (indeed, certainly, only, just)

(indeclinable)

Emphatic particle.

अनर्थकारिण्या (anarthakāriṇyā) - productive of harm (causing harm, productive of misfortune, bringing evil)

(adjective)

Instrumental, feminine, singular of anarthakāriṇī

anarthakāriṇī - causing harm, bringing misfortune, injurious

From anartha (misfortune) + kāriṇī (female doer, agent).

Compound type : tatpuruṣa (anartha+kāriṇī)

• anartha – misfortune, evil, harm, useless
  noun (masculine)
  From a- (negation) + artha (purpose, wealth, meaning).
• kāriṇī – female doer, maker, cause; causing
  noun (feminine)
  Agent noun (feminine)
  Feminine form of kārin, from √kṛ (to do, make).
  Root: kṛ (class 8)

Note: Agrees with 'anayā'.

मनोमननपीनया (manomananapīnayā) - nourished by the mind's continuous contemplation (nourished by mental contemplation, fattened by the mind's thoughts)

(adjective)

Instrumental, feminine, singular of manomananapīnā

manomananapīnā - fattened or nourished by mental contemplation/thinking of the mind

Compound describing something made fat/nourished by manas-manana (mind's thinking).

Compound type : tatpuruṣa (manas+manana+pīnā)

• manas – mind, intellect, thought, heart
  noun (neuter)
  Root: man (class 4)
• manana – thinking, meditating, reflection, contemplation
  noun (neuter)
  Action noun
  Derived from √man (to think, to know).
  Root: man (class 4)
• pīnā – fat, stout, swollen, nourished, substantial
  adjective (feminine)
  Past Passive Participle
  Feminine form of pīna, from √pyā (to swell, grow fat).
  Root: pyā (class 1)

Note: Agrees with 'anayā'.

अनया (anayā) - by this (ignorance/avidyā) (by this (feminine))

(pronoun)

Instrumental, feminine, singular of idam

idam - this

Demonstrative pronoun.

Note: Refers to avidyā from the previous verse.

दुःखदायिन्या (duḥkhadāyinyā) - giving rise to sorrow (causing sorrow, giving pain)

(adjective)

Instrumental, feminine, singular of duḥkhadāyinī

duḥkhadāyinī - causing pain, giving sorrow, afflicting

From duḥkha (suffering) + dāyinī (female giver/causer).

Compound type : tatpuruṣa (duḥkha+dāyinī)

• duḥkha – suffering, pain, sorrow, misery
  noun (neuter)
• dāyinī – female giver, bestower, causing
  noun (feminine)
  Agent noun (feminine)
  Feminine form of dāyin, from √dā (to give).
  Root: dā (class 3)

Note: Agrees with 'anayā'.

महामोहफलान्तया (mahāmohaphalāntayā) - whose ultimate outcome is the fruit of great delusion (mahāmoha) (whose end/fruit is great delusion, culminating in great delusion)

(adjective)

Instrumental, feminine, singular of mahāmohaphalāntā

mahāmohaphalāntā - ending in the fruit of great delusion

Compound describing something whose end (anta) is the fruit (phala) of great delusion (mahāmoha).

Compound type : bahuvrīhi (mahāmoha+phala+anta)

• mahāmoha – great delusion, profound ignorance, extreme infatuation
  noun (masculine)
  From mahā (great) + moha (delusion).
  Root: muh (class 4)
• phala – fruit, result, consequence, reward
  noun (neuter)
  Root: phal (class 1)
• anta – end, limit, boundary, conclusion
  noun (masculine)
  Root: ant (class 1)

Note: Agrees with 'anayā'.