योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-26, verse-12

तव नावहितं चित्तं कामः कवलयिष्यति ।
सावधानस्य बुद्धस्य पिशाचः किं करिष्यति ॥ १२ ॥

tava nāvahitaṃ cittaṃ kāmaḥ kavalayiṣyati ,
sāvadhānasya buddhasya piśācaḥ kiṃ kariṣyati 12

12. tava na avahitam cittam kāmaḥ kavalayiṣyati
sāvadhānasya buddhasya piśācaḥ kim kariṣyati

12. kāmaḥ tava na avahitam cittam kavalayiṣyati
kim piśācaḥ sāvadhānasya buddhasya kariṣyati

12. Desire will indeed consume your inattentive mind. However, what can a demon do to an attentive and awakened person?

Words meanings summery:

• तव (tava) - your, of you

• न (na) - not, no

• अवहितम् (avahitam) - inattentive, distracted, not concentrated

• चित्तम् (cittam) - mind, thought, consciousness

• कामः (kāmaḥ) - desire, lust, longing

• कवलयिष्यति (kavalayiṣyati) - will devour, will swallow

• सावधानस्य (sāvadhānasya) - for the attentive, of the careful

• बुद्धस्य (buddhasya) - for the awakened one, of the wise one

• पिशाचः (piśācaḥ) - a demon, a goblin

• किम् (kim) - what? why?

• करिष्यति (kariṣyati) - will do, will make

Words meanings and morphology

तव (tava) - your, of you

(pronoun)

Genitive, singular of yuṣmad

yuṣmad - you

न (na) - not, no

(indeclinable)

अवहितम् (avahitam) - inattentive, distracted, not concentrated

(participle)

Nominative, neuter, singular of avahita

avahita - attentive, concentrated

Past Passive Participle

from root `dhā` (to place) with prefix `ava`

Prefix: ava

Root: dhā (class 3)

Note: Agrees with `cittam`.

चित्तम् (cittam) - mind, thought, consciousness

(noun)

Nominative, neuter, singular of citta

citta - mind, thought, consciousness

from root `cit` (to perceive, understand)

Root: cit (class 10)

Note: The subject of `kavalayiṣyati`.

कामः (kāmaḥ) - desire, lust, longing

(noun)

Nominative, masculine, singular of kāma

kāma - desire, lust, longing

from root `kam` (to desire)

Root: kam (class 1)

Note: Subject of the verb `kavalayiṣyati`.

कवलयिष्यति (kavalayiṣyati) - will devour, will swallow

(verb)

3rd person , singular, active, future (lṛṭ) of kavalay

future tense, active voice, causative stem

Denominative verb from `kavala` (mouthful) + `ṇic` then future suffix `sya` + `ti`.

सावधानस्य (sāvadhānasya) - for the attentive, of the careful

(adjective)

Genitive, masculine, singular of sāvadhāna

sāvadhāna - attentive, careful, cautious

`sa` (with) + `avadhāna` (attention)

Compound type : bahuvrihi (sa+avadhāna)

• sa – with, accompanied by
  indeclinable
• avadhāna – attention, heed, care
  noun (neuter)
  from root `dhā` with prefix `ava`
  Prefix: ava
  Root: dhā (class 3)

Note: Qualifies `buddhasya`.

बुद्धस्य (buddhasya) - for the awakened one, of the wise one

(noun)

Genitive, masculine, singular of buddha

buddha - awakened, enlightened, intelligent; an awakened person

Past Passive Participle (used as noun)

from root `budh` (to awaken, know)

Root: budh (class 1)

Note: Used here to mean 'an awakened person'.

पिशाचः (piśācaḥ) - a demon, a goblin

(noun)

Nominative, masculine, singular of piśāca

piśāca - a demon, a goblin, an evil spirit

Note: Subject of `kariṣyati`.

किम् (kim) - what? why?

(indeclinable)

Note: Functions as an interrogative adverb.

करिष्यति (kariṣyati) - will do, will make

(verb)

3rd person , singular, active, future (lṛṭ) of kṛ

future tense, active voice

from root `kṛ`, future suffix `sya` + `ti`

Root: kṛ (class 8)