योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-24, verse-6

इन्द्रियारिभिरन्तस्थैरवशो नाभिभूयते ।
न तथा सुखिता भूपा मृन्मयोग्रपुरीजुषः ॥ ६ ॥

indriyāribhirantasthairavaśo nābhibhūyate ,
na tathā sukhitā bhūpā mṛnmayograpurījuṣaḥ 6

6. indriya-aribhiḥ antastaiḥ avaśaḥ na abhibhūyate /
na tathā sukhitāḥ bhūpāḥ mṛn-maya-ugra-purī-juṣaḥ

6. [saḥ] antastaiḥ indriya-aribhiḥ avaśaḥ na abhibhūyate
/ mṛn-maya-ugra-purī-juṣaḥ bhūpāḥ tathā sukhitāḥ na

6. Such a one (rich in discernment) is not helplessly overcome by the internal enemies (arī) of the senses (indriya). Kings residing in terrible cities made of clay (mṛnmayo-ugra-purī) are not as happy as such a person.

Words meanings summery:

• इन्द्रिय-अरिभिः (indriya-aribhiḥ) - by the enemies of the senses

• अन्तस्तैः (antastaiḥ) - refers to the internal enemies of the senses (by those residing within, by the internal ones)

• अवशः (avaśaḥ) - helplessly, without control, unwillingly

• न (na) - not

• अभिभूयते (abhibhūyate) - is overcome, is conquered

• न (na) - not

• तथा (tathā) - so, thus, in that manner

• सुखिताः (sukhitāḥ) - happy, joyful (ones)

• भूपाः (bhūpāḥ) - kings

• मृन्-मय-उग्र-पुरी-जुषः (mṛn-maya-ugra-purī-juṣaḥ) - dwellers of terrible cities made of clay

Words meanings and morphology

इन्द्रिय-अरिभिः (indriya-aribhiḥ) - by the enemies of the senses

(noun)

Instrumental, masculine, plural of indriya-ari

indriya-ari - enemy of the senses

Compound type : ṣaṣṭhī-tatpuruṣa (indriya+ari)

• indriya – sense organ, faculty of sense
  noun (neuter)
• ari – enemy, foe
  noun (masculine)

अन्तस्तैः (antastaiḥ) - refers to the internal enemies of the senses (by those residing within, by the internal ones)

(adjective)

Instrumental, masculine, plural of antasta

antasta - staying inside, internal, inherent

Past Passive Participle

From `antas` (inside) + root `sthā` (to stand).

Compound type : avyayībhāva (antas+stha)

• antas – inside, within
  indeclinable
• stha – standing, staying, situated
  adjective (masculine)
  From root `sthā` (to stand).
  Root: sthā (class 1)

Note: Agrees with `indriya-aribhiḥ`.

अवशः (avaśaḥ) - helplessly, without control, unwillingly

(adjective)

Nominative, masculine, singular of avaśa

avaśa - not one's own master, helpless, uncontrolled

From `a` (not) + `vaśa` (control).

Compound type : nañ-bahuvrīhi (a+vaśa)

• a – not, un-
  indeclinable
• vaśa – will, control, power
  noun (masculine)

Note: Modifies the implied subject (the discerning one).

न (na) - not

(indeclinable)

अभिभूयते (abhibhūyate) - is overcome, is conquered

(verb)

3rd person , singular, passive, present (lat) of abhī-bhū

Prefix: abhi

Root: bhū (class 1)

न (na) - not

(indeclinable)

तथा (tathā) - so, thus, in that manner

(indeclinable)

Note: Used in comparison 'not so happy'.

सुखिताः (sukhitāḥ) - happy, joyful (ones)

(adjective)

Nominative, masculine, plural of sukhita

sukhita - happy, joyful, pleased

Past Passive Participle

Derived from `sukha` (happiness).

Note: Used substantively here, referring to 'happy persons'.

भूपाः (bhūpāḥ) - kings

(noun)

Nominative, masculine, plural of bhūpa

bhūpa - king, ruler (lit. earth-protector)

Compound type : tatpuruṣa (bhū+pa)

• bhū – earth, land
  noun (feminine)
• pa – protector, guardian
  noun (masculine)
  From root `pā` (to protect).
  Root: pā (class 2)

मृन्-मय-उग्र-पुरी-जुषः (mṛn-maya-ugra-purī-juṣaḥ) - dwellers of terrible cities made of clay

(noun)

Nominative, masculine, plural of mṛn-maya-ugra-purī-juṣ

mṛn-maya-ugra-purī-juṣ - one who resides in dreadful cities of clay

Compound type : tatpuruṣa (mṛn-maya+ugra+purī+juṣ)

• mṛn-maya – made of clay, earthen
  adjective (masculine)
  From `mṛt` (clay) + `maya` (made of).
• ugra – terrible, fierce, dreadful
  adjective (masculine)
• purī – city, town
  noun (feminine)
• juṣ – dweller, enjoyer, one who resorts to
  noun (masculine)
  From root `juṣ` (to enjoy, to dwell).
  Root: juṣ (class 1)

Note: Compound modifying `bhūpāḥ`.