योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-114, verse-10

दृढवासनया बन्धो घनतामेति चेतसः ।
बलाद्वेतालसंकल्पः संध्याकाले यथा शिशोः ॥ १० ॥

dṛḍhavāsanayā bandho ghanatāmeti cetasaḥ ,
balādvetālasaṃkalpaḥ saṃdhyākāle yathā śiśoḥ 10

10. dṛḍhavāsanayā bandhaḥ ghanatām eti cetasaḥ
balāt vetālasaṅkalpaḥ sandhyākāle yathā śiśoḥ

10. dṛḍhavāsanayā cetasaḥ bandhaḥ ghanatām eti
yathā balāt śiśoḥ vetālasaṅkalpaḥ sandhyākāle

10. The mind's bondage (bandha) becomes firm due to strong latent tendencies (vāsanā), just as a child's forceful imagination of a ghost (vetāla-saṅkalpa) at twilight.

Words meanings summery:

• दृढवासनया (dṛḍhavāsanayā) - by strong latent tendencies, due to firm impressions

• बन्धः (bandhaḥ) - bondage, fetter, binding, tie

• घनताम् (ghanatām) - density, firmness, compactness

• एति (eti) - becomes (reaches a state of firmness) (goes, comes, attains, reaches, becomes)

• चेतसः (cetasaḥ) - of the mind, belonging to the mind

• बलात् (balāt) - by force, forcefully, from power

• वेतालसङ्कल्पः (vetālasaṅkalpaḥ) - a ghost-like thought or conception, imagination of a ghost

• सन्ध्याकाले (sandhyākāle) - in the twilight, at twilight time

• यथा (yathā) - just as, as, according to

• शिशोः (śiśoḥ) - of a child, belonging to a child

Words meanings and morphology

दृढवासनया (dṛḍhavāsanayā) - by strong latent tendencies, due to firm impressions

(noun)

Instrumental, feminine, singular of dṛḍhavāsanā

dṛḍhavāsanā - strong latent tendency, firm impression

Compound type : tatpuruṣa (dṛḍha+vāsanā)

• dṛḍha – firm, strong, solid, resolute
  adjective (masculine)
  Past Passive Participle
  From root dṛh
  Root: dṛh (class 1)
• vāsanā – latent tendency, impression, desire, predisposition
  noun (feminine)

बन्धः (bandhaḥ) - bondage, fetter, binding, tie

(noun)

Nominative, masculine, singular of bandha

bandha - bondage, fetter, binding, tie, imprisonment

Root: bandh (class 9)

घनताम् (ghanatām) - density, firmness, compactness

(noun)

Accusative, feminine, singular of ghanatā

ghanatā - density, firmness, compactness, thickness

एति (eti) - becomes (reaches a state of firmness) (goes, comes, attains, reaches, becomes)

(verb)

3rd person , singular, active, present (laṭ) of i

Root: i (class 2)

चेतसः (cetasaḥ) - of the mind, belonging to the mind

(noun)

Genitive, neuter, singular of cetas

cetas - mind, intelligence, consciousness, heart

Root: cit (class 1)

बलात् (balāt) - by force, forcefully, from power

(noun)

Ablative, neuter, singular of bala

bala - strength, power, force, might

Note: Used adverbially

वेतालसङ्कल्पः (vetālasaṅkalpaḥ) - a ghost-like thought or conception, imagination of a ghost

(noun)

Nominative, masculine, singular of vetālasaṅkalpa

vetālasaṅkalpa - a thought or imagination of a vetāla (ghost)

Compound type : tatpuruṣa (vetāla+saṅkalpa)

• vetāla – a goblin, a ghost, a vampire-like being
  noun (masculine)
• saṅkalpa – conception, resolve, intention, imagination
  noun (masculine)
  Prefix: sam
  Root: kḷp (class 1)

सन्ध्याकाले (sandhyākāle) - in the twilight, at twilight time

(noun)

Locative, masculine, singular of sandhyākāla

sandhyākāla - twilight time, evening time

Compound type : tatpuruṣa (sandhyā+kāla)

• sandhyā – twilight (morning or evening), period of transition
  noun (feminine)
  Prefix: sam
  Root: dhā (class 3)
• kāla – time, period, season
  noun (masculine)

यथा (yathā) - just as, as, according to

(indeclinable)

शिशोः (śiśoḥ) - of a child, belonging to a child

(noun)

Genitive, masculine, singular of śiśu

śiśu - child, infant, young one