योगवासिष्ठः yogavāsiṣṭhaḥ - book-1, chapter-19, verse-12

यत्र दोलाकृति मनः परिस्फुरति वृत्तिषु ।
त्रैलोक्याऽभव्यमपि तत्कथं भवति तुष्टये ॥ १२ ॥

yatra dolākṛti manaḥ parisphurati vṛttiṣu ,
trailokyā'bhavyamapi tatkathaṃ bhavati tuṣṭaye 12

12. yatra dolākṛti manaḥ parisphurati vṛttiṣu
trailokyābhavyam api tat katham bhavati tuṣṭaye

12. yatra dolākṛti manaḥ vṛttiṣu parisphurati tat
trailokyābhavyam api katham tuṣṭaye bhavati

12. When the mind (manas) swings restlessly amidst its various activities, how can even something inherently undesirable or inauspicious bring any satisfaction?

Words meanings summery:

• यत्र (yatra) - where, in which place, when

• दोलाकृति (dolākṛti) - having the form of a swing, oscillating, swinging

• मनः (manaḥ) - mind, intellect, heart, consciousness

• परिस्फुरति (parisphurati) - it trembles, it throbs, it quivers, it moves about restlessly

• वृत्तिषु (vṛttiṣu) - in activities, in modes, in states, in functions

• त्रैलोक्याभव्यम् (trailokyābhavyam) - unsuitable for the three worlds, inauspicious for the three worlds

• अपि (api) - even, also, too, moreover

• तत् (tat) - that, it

• कथम् (katham) - how, in what manner, why

• भवति (bhavati) - it becomes, it is, it exists

• तुष्टये (tuṣṭaye) - for satisfaction, for contentment

Words meanings and morphology

यत्र (yatra) - where, in which place, when

(indeclinable)

दोलाकृति (dolākṛti) - having the form of a swing, oscillating, swinging

(adjective)

Nominative, neuter, singular of dolā-ākṛti

dolā-ākṛti - having the form/nature of a swing

Compound type : bahuvrihi (dolā+ākṛti)

• dolā – swing
  noun (feminine)
• ākṛti – form, shape, appearance, nature
  noun (feminine)
  Prefix: ā
  Root: kṛ (class 8)

मनः (manaḥ) - mind, intellect, heart, consciousness

(noun)

Nominative, neuter, singular of manas

manas - mind, intellect, thought, desire, intention, consciousness

Root: man (class 4)

परिस्फुरति (parisphurati) - it trembles, it throbs, it quivers, it moves about restlessly

(verb)

3rd person , singular, active, present (lat) of saṃsphur

Prefix: pari

Root: sphur (class 6)

वृत्तिषु (vṛttiṣu) - in activities, in modes, in states, in functions

(noun)

Locative, feminine, plural of vṛtti

vṛtti - mode of being, conduct, course of action, activity, function, operation (of mind)

Derived from root vṛt (to be, exist, turn).

Root: vṛt (class 1)

त्रैलोक्याभव्यम् (trailokyābhavyam) - unsuitable for the three worlds, inauspicious for the three worlds

(adjective)

Nominative, neuter, singular of trailokya-abhāvya

trailokya-abhāvya - unsuitable or inauspicious for the three worlds

Compound type : tatpurusha (trailokya+abhāvya)

• trailokya – the three worlds (heaven, earth, and the netherworld)
  noun (neuter)
• abhāvya – unsuitable, impossible, improper, inauspicious, not to be
  adjective (neuter)
  Gerundive
  Negative gerundive of root bhū (to be, become).
  Prefix: a
  Root: bhū (class 1)

अपि (api) - even, also, too, moreover

(indeclinable)

तत् (tat) - that, it

(pronoun)

Nominative, neuter, singular of tad

tad - that, it, he, she

कथम् (katham) - how, in what manner, why

(indeclinable)

भवति (bhavati) - it becomes, it is, it exists

(verb)

3rd person , singular, active, present (lat) of bhū

Root: bhū (class 1)

तुष्टये (tuṣṭaye) - for satisfaction, for contentment

(noun)

Dative, feminine, singular of tuṣṭi

tuṣṭi - satisfaction, contentment, pleasure

Root: tuṣ (class 4)

Note: Used as dative of purpose.