योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-67, verse-36

इष्टे वस्तुनि नाभ्यासं यः करोति नराधमः ।
सोऽनिष्टेऽनिष्टमाप्नोति नरकान्नरकान्तरम् ॥ ३६ ॥

iṣṭe vastuni nābhyāsaṃ yaḥ karoti narādhamaḥ ,
so'niṣṭe'niṣṭamāpnoti narakānnarakāntaram 36

36. iṣṭe vastuni na abhyāsam yaḥ karoti nara-adhamaḥ
saḥ aniṣṭe aniṣṭam āpnoti narakan naraka-antaram

36. yaḥ narādhamaḥ iṣṭe vastuni abhyāsam na karoti,
saḥ aniṣṭe aniṣṭam āpnoti,
narakan naraka-antaram.

36. A contemptible person (narādhamaḥ) who does not engage in diligent practice (abhyāsam) regarding a desirable object, encounters misfortune amidst undesirable things, descending from one hell to another.

Words meanings summery:

• इष्टे (iṣṭe) - desirable (desired, beloved, worshipped, sacrificed)

• वस्तुनि (vastuni) - with respect to desirable objects (in an object, in a thing)

• न (na) - not (not, no)

• अभ्यासम् (abhyāsam) - diligent practice (practice, repetition, application, study)

• यः (yaḥ) - who (who, which)

• करोति (karoti) - does, engages in (does, makes, performs)

• नर-अधमः (nara-adhamaḥ) - contemptible person (narādhamaḥ) (lowest of men, contemptible person, wretched person)

• सः (saḥ) - he (that person) (he, that)

• अनिष्टे (aniṣṭe) - amidst undesirable things / in undesirable situations (in what is undesirable, in misfortune)

• अनिष्टम् (aniṣṭam) - misfortune (undesirable thing, misfortune)

• आप्नोति (āpnoti) - experiences, obtains (obtains, reaches, experiences, gets)

• नरकन् (narakan) - hell (hell, underworld)

• नरक-अन्तरम् (naraka-antaram) - another hell (naraka) (another hell, a different hell)

Words meanings and morphology

इष्टे (iṣṭe) - desirable (desired, beloved, worshipped, sacrificed)

(adjective)

Locative, neuter, singular of iṣṭa

iṣṭa - desired, beloved, worshipped, sacrificed, agreeable

Past Passive Participle

Derived from verb root 'yaj' (to sacrifice, worship), often refers to something desired.

Root: yaj (class 1)

वस्तुनि (vastuni) - with respect to desirable objects (in an object, in a thing)

(noun)

Locative, neuter, singular of vastu

vastu - object, thing, substance, reality

न (na) - not (not, no)

(indeclinable)

अभ्यासम् (abhyāsam) - diligent practice (practice, repetition, application, study)

(noun)

Accusative, masculine, singular of abhyāsa

abhyāsa - practice, repetition, application, study, habit

Derived from verb root 'as' (to throw) with prefix 'abhi-ā'

Prefixes: abhi+ā

Root: as (class 4)

Note: Object of 'karoti'

यः (yaḥ) - who (who, which)

(pronoun)

Nominative, masculine, singular of yad

yad - which, what, whatever, that which

करोति (karoti) - does, engages in (does, makes, performs)

(verb)

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

Present Active Indicative

Root: kṛ (class 8)

नर-अधमः (nara-adhamaḥ) - contemptible person (narādhamaḥ) (lowest of men, contemptible person, wretched person)

(noun)

Nominative, masculine, singular of nara-adhama

nara-adhama - lowest of men, vilest man, contemptible person

Compound type : Tatpuruṣa (nara+adhama)

• nara – man, human being
  noun (masculine)
• adhama – lowest, worst, vilest
  adjective (masculine)

Note: Refers to the subject 'yaḥ'

सः (saḥ) - he (that person) (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, it, he, she

Note: Subject of 'āpnoti'

अनिष्टे (aniṣṭe) - amidst undesirable things / in undesirable situations (in what is undesirable, in misfortune)

(noun)

Locative, neuter, singular of aniṣṭa

aniṣṭa - undesirable, unpleasant, disliked, evil, misfortune

Negative of 'iṣṭa'

Compound type : Nañ-Tatpuruṣa (a+iṣṭa)

• a – not, non
  indeclinable
• iṣṭa – desired, agreeable
  adjective (neuter)
  Past Passive Participle
  Derived from verb root 'yaj'
  Root: yaj (class 1)

Note: Context implies 'in undesirable circumstances'

अनिष्टम् (aniṣṭam) - misfortune (undesirable thing, misfortune)

(noun)

Accusative, neuter, singular of aniṣṭa

aniṣṭa - undesirable, unpleasant, disliked, evil, misfortune

Negative of 'iṣṭa'

Compound type : Nañ-Tatpuruṣa (a+iṣṭa)

• a – not, non
  indeclinable
• iṣṭa – desired, agreeable
  adjective (neuter)
  Past Passive Participle
  Derived from verb root 'yaj'
  Root: yaj (class 1)

आप्नोति (āpnoti) - experiences, obtains (obtains, reaches, experiences, gets)

(verb)

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

Present Active Indicative

Prefix: ā

Root: āp (class 5)

नरकन् (narakan) - hell (hell, underworld)

(noun)

Accusative, masculine, singular of naraka

naraka - hell, purgatory, underworld, abyss

Note: Indicates direction "to hell"

नरक-अन्तरम् (naraka-antaram) - another hell (naraka) (another hell, a different hell)

(noun)

Accusative, neuter, singular of naraka-antara

naraka-antara - another hell, a different hell

Compound type : Tatpuruṣa (naraka+antara)

• naraka – hell, purgatory
  noun (masculine)
• antara – other, different, interval, inside
  adjective (neuter)

Note: Implies "into another hell" or "hell after hell"