योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-33, verse-27

बाध्यते चामलधियामपिशाचे पिशाचधीः ।
शिशूनां तावदाध्वान्तःकरणानां विचारणा ॥ २७ ॥

bādhyate cāmaladhiyāmapiśāce piśācadhīḥ ,
śiśūnāṃ tāvadādhvāntaḥkaraṇānāṃ vicāraṇā 27

27. bādhyate ca amaladhiyām apiśāce piśācadhīḥ
śiśūnām tāvat ādhvāntaḥkaraṇānām vicāraṇā

27. amaladhiyām apiśāce piśācadhīḥ ca bādhyate
tāvat śiśūnām ādhvāntaḥkaraṇānām vicāraṇā

27. Even those with a pure intellect are tormented by the thought of a demon when there is no actual demon. How much more so, for children whose inner faculties are completely darkened, is there (only) mere imagination/speculation.

Words meanings summery:

• बाध्यते (bādhyate) - is afflicted, is tormented, is hindered

• च (ca) - "even", "how much more so" (connecting the two clauses) (and, also, moreover, but)

• अमलधियाम् (amaladhiyām) - of those with pure intellect/mind

• अपिशाचे (apiśāce) - in what is not a demon, in a non-demon

• पिशाचधीः (piśācadhīḥ) - the thought of a demon, demon-perception, ghost-intellect

• शिशूनाम् (śiśūnām) - of children, for children

• तावत् (tāvat) - "how much more so" (indicating an intensified comparison) (so much, so far, thus, only, then, therefore, how much more)

• आध्वान्तःकरणानाम् (ādhvāntaḥkaraṇānām) - of those whose inner instruments are completely darkened

• विचारणा (vicāraṇā) - mere imagination or superficial thought (in contrast to proper discernment, given the darkened intellect) (investigation, consideration, reflection, deliberation, imagination, speculation)

Words meanings and morphology

बाध्यते (bādhyate) - is afflicted, is tormented, is hindered

(verb)

3rd person , singular, passive, present (laṭ) of bādh

present passive

root bādh (class 1 Ātmanepada), present tense, 3rd person singular, passive voice

Root: bādh (class 1)

च (ca) - "even", "how much more so" (connecting the two clauses) (and, also, moreover, but)

(indeclinable)

अमलधियाम् (amaladhiyām) - of those with pure intellect/mind

(noun)

Genitive, feminine, plural of amaladhi

amaladhi - pure intellect, pure mind

Compound type : bahuvrīhi (amala+dhī)

• amala – spotless, pure, clean
  adjective
  from a- (privative) and mala (dirt, impurity)
• dhī – intellect, thought, mind, understanding
  noun (feminine)

अपिशाचे (apiśāce) - in what is not a demon, in a non-demon

(noun)

Locative, masculine, singular of apiśāca

apiśāca - not a demon, not a ghost

compound of 'a-' (negation) and 'piśāca' (demon, ghost)

Compound type : nañ-tatpuruṣa (a+piśāca)

• a – not, non-
  indeclinable
• piśāca – demon, goblin, ghost
  noun (masculine)

Note: Refers to a situation or object that is mistaken for a demon.

पिशाचधीः (piśācadhīḥ) - the thought of a demon, demon-perception, ghost-intellect

(noun)

Nominative, feminine, singular of piśācadhī

piśācadhī - the thought or perception of a demon/ghost

Compound type : ṣaṣṭhī-tatpuruṣa (piśāca+dhī)

• piśāca – demon, goblin, ghost
  noun (masculine)
• dhī – intellect, thought, mind, perception
  noun (feminine)

शिशूनाम् (śiśūnām) - of children, for children

(noun)

Genitive, masculine, plural of śiśu

śiśu - child, infant

तावत् (tāvat) - "how much more so" (indicating an intensified comparison) (so much, so far, thus, only, then, therefore, how much more)

(indeclinable)

आध्वान्तःकरणानाम् (ādhvāntaḥkaraṇānām) - of those whose inner instruments are completely darkened

(adjective)

Genitive, masculine, plural of ādhvāntaḥkaraṇa

ādhvāntaḥkaraṇa - one whose inner faculties (mind, intellect, ego) are completely darkened or ignorant

compound of 'ādhvānta' (thoroughly darkened) and 'antaḥkaraṇa' (inner instrument)

Compound type : bahuvrīhi (ādhvānta+antaḥkaraṇa)

• ādhvānta – thoroughly darkened, completely obscure
  adjective
  from ā- (intensive prefix) and dhvānta (darkness)
  Prefix: ā
  Root: dhvan (class 1)
• antaḥkaraṇa – inner instrument, mind, intellect, ego
  noun (neuter)
  compound of 'antar' (inner) and 'karaṇa' (instrument)

विचारणा (vicāraṇā) - mere imagination or superficial thought (in contrast to proper discernment, given the darkened intellect) (investigation, consideration, reflection, deliberation, imagination, speculation)

(noun)

Nominative, feminine, singular of vicāraṇā

vicāraṇā - investigation, consideration, reflection, deliberation, thought, imagination, speculation

from vi- (prefix) + car (to move) + ṇic (causative) + ana (suffix)

Prefix: vi

Root: car (class 1)