योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-14, verse-43

मनो नास्ति महाबाहो मा मुधोप प्रकल्पय ।
अनेन कल्पितेन त्वं वेतालेनेव हन्यसे ॥ ४३ ॥

mano nāsti mahābāho mā mudhopa prakalpaya ,
anena kalpitena tvaṃ vetāleneva hanyase 43

43. manaḥ na asti mahābāho mā mudhā upa prakalpaya
anena kalpitena tvam vetālena iva hanyase

43. mahābāho manaḥ na asti mā mudhā upa prakalpaya
anena kalpitena tvam vetālena iva hanyase

43. O mighty-armed one, the mind does not truly exist; do not imagine it in vain. By this imagined [mind], you are being slain as if by a vetāla.

Words meanings summery:

• मनः (manaḥ) - the mental faculty that perceives and thinks (mind, intellect, consciousness)

• न (na) - not, no

• अस्ति (asti) - is, exists

• महाबाहो (mahābāho) - an epithet for a heroic or strong individual, here addressing Rāma (O mighty-armed one, O powerful one)

• मा (mā) - used with an imperative to express a prohibition (do not (prohibitive particle))

• मुधा (mudhā) - without any real purpose or benefit (in vain, uselessly, fruitlessly)

• उप (upa) - functions as a verbal prefix here, modifying 'prakalpaya' (near, towards, up to, secondary)

• प्रकल्पय (prakalpaya) - do not conjure or invent the mind's existence (imagine, conceive, arrange, create)

• अनेन (anena) - by this imagined mind (by this, by this one)

• कल्पितेन (kalpitena) - by the mind that is merely imagined or conjured up (by the imagined, by the created)

• त्वम् (tvam) - addressing the listener (Rāma) (you)

• वेतालेन (vetālena) - by a mythological demonic being or vampire-like spirit (by a vetāla)

• इव (iva) - indicating a comparison or similarity (like, as if, as it were)

• हन्यसे (hanyase) - the imagined mind is harming or destroying the person (you are being slain, you are being struck down)

Words meanings and morphology

मनः (manaḥ) - the mental faculty that perceives and thinks (mind, intellect, consciousness)

(noun)

Nominative, neuter, singular of manas

manas - mind, intellect, understanding, conscience, thought

From the root 'man' (to think).

Root: man (class 4)

न (na) - not, no

(indeclinable)

अस्ति (asti) - is, exists

(verb)

3rd person , singular, active, present indicative (laṭ) of as

Root: as (class 2)

महाबाहो (mahābāho) - an epithet for a heroic or strong individual, here addressing Rāma (O mighty-armed one, O powerful one)

(adjective)

Vocative, masculine, singular of mahābāhu

mahābāhu - mighty-armed, one with great arms; a powerful person

A bahuvrīhi compound, meaning 'one whose arms are great'.

Compound type : bahuvrīhi (mahā+bāhu)

• mahā – great, large, mighty
  adjective
  Compound form of 'mahat'.
• bāhu – arm, fore-arm
  noun (masculine)

मा (mā) - used with an imperative to express a prohibition (do not (prohibitive particle))

(indeclinable)

Note: Used with Aorist or Loṭ to express prohibition.

मुधा (mudhā) - without any real purpose or benefit (in vain, uselessly, fruitlessly)

(indeclinable)

उप (upa) - functions as a verbal prefix here, modifying 'prakalpaya' (near, towards, up to, secondary)

(indeclinable)

Note: Separated from 'prakalpaya' due to sandhi rules.

प्रकल्पय (prakalpaya) - do not conjure or invent the mind's existence (imagine, conceive, arrange, create)

(verb)

2nd person , singular, active, imperative (loṭ) of prakalp

Causative stem

From the root 'kḷp' (to be in order, to be suitable) with prefix 'pra', in the causative voice.

Prefix: pra

Root: kḷp (class 10)

अनेन (anena) - by this imagined mind (by this, by this one)

(pronoun)

Instrumental, neuter, singular of idam

idam - this, this one

Note: Agrees with 'kalpitena'.

कल्पितेन (kalpitena) - by the mind that is merely imagined or conjured up (by the imagined, by the created)

(adjective)

Instrumental, neuter, singular of kalpita

kalpita - imagined, created, arranged, formed, artificial

Past Passive Participle

Derived from the root 'kḷp' (to form, to imagine) with the 'kta' (past passive participle) suffix.

Root: kḷp (class 10)

Note: Used here as a substantive referring to the mind. Agrees with 'anena'.

त्वम् (tvam) - addressing the listener (Rāma) (you)

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you (singular and plural)

वेतालेन (vetālena) - by a mythological demonic being or vampire-like spirit (by a vetāla)

(noun)

Instrumental, masculine, singular of vetāla

vetāla - a vampire-like demon, a goblin, a spirit inhabiting a corpse

इव (iva) - indicating a comparison or similarity (like, as if, as it were)

(indeclinable)

हन्यसे (hanyase) - the imagined mind is harming or destroying the person (you are being slain, you are being struck down)

(verb)

2nd person , singular, passive, present indicative (laṭ) of han

Root: han (class 2)