योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-6, verse-52

अविवेकिष्वमित्राणि मित्राणि च विवेकिषु ।
गहनानन्तशून्यानि काननानीन्द्रियाणि च ॥ ५२ ॥

avivekiṣvamitrāṇi mitrāṇi ca vivekiṣu ,
gahanānantaśūnyāni kānanānīndriyāṇi ca 52

52. avivekiṣu amitrāṇi mitrāṇi ca vivekiṣu
gahananantaśūnyāni kānanāni indriyāṇi ca

52. indriyāṇi ca avivekiṣu amitrāṇi ca vivekiṣu
mitrāṇi gahananantaśūnyāni kānanāni ca

52. The senses are enemies to the indiscriminating and friends to the discerning. They are also like forests (kānanāni) — dense, limitlessly vast, and desolate.

Words meanings summery:

• अविवेकिषु (avivekiṣu) - among the indiscriminating, in the indiscriminating ones

• अमित्राणि (amitrāṇi) - enemies

• मित्राणि (mitrāṇi) - friends

• च (ca) - and

• विवेकिषु (vivekiṣu) - among the discriminating, in the discerning ones

• गहननन्तशून्यानि (gahananantaśūnyāni) - dense, endlessly empty/vast

• काननानि (kānanāni) - forests, woods

• इन्द्रियाणि (indriyāṇi) - senses, sense organs

• च (ca) - and

Words meanings and morphology

अविवेकिषु (avivekiṣu) - among the indiscriminating, in the indiscriminating ones

(adjective)

Locative, masculine, plural of avivekin

avivekin - indiscriminating, lacking discernment, unwise

Compound type : tatpurusha (a+vivekin)

• a – not, non-, un-
  indeclinable
• vivekin – discriminating, discerning, judicious
  adjective (masculine)
  Derived from root vic- (to separate, discern) with suffix -in
  Prefix: vi
  Root: vic (class 7)

अमित्राणि (amitrāṇi) - enemies

(noun)

Nominative, neuter, plural of amitra

amitra - enemy, not a friend

Compound type : nañ-tatpurusha (a+mitra)

• a – not, non-
  indeclinable
• mitra – friend, companion
  noun (masculine)

मित्राणि (mitrāṇi) - friends

(noun)

Nominative, neuter, plural of mitra

mitra - friend, companion, ally

च (ca) - and

(indeclinable)

विवेकिषु (vivekiṣu) - among the discriminating, in the discerning ones

(adjective)

Locative, masculine, plural of vivekin

vivekin - discriminating, discerning, judicious

Derived from root vic- (to separate, discern) with suffix -in

Prefix: vi

Root: vic (class 7)

गहननन्तशून्यानि (gahananantaśūnyāni) - dense, endlessly empty/vast

(adjective)

Nominative, neuter, plural of gahanānantaśūnya

gahanānantaśūnya - dense, endless, and empty/vast

Compound type : dvandva / tatpurusha (gahana+ananta+śūnya)

• gahana – dense, deep, impenetrable, profound
  adjective (neuter)
• ananta – endless, infinite, boundless
  adjective (neuter)
• śūnya – empty, void, desolate, vacant
  adjective (neuter)

काननानि (kānanāni) - forests, woods

(noun)

Nominative, neuter, plural of kānana

kānana - forest, grove, wood

इन्द्रियाणि (indriyāṇi) - senses, sense organs

(noun)

Nominative, neuter, plural of indriya

indriya - sense organ, faculty of sense, belonging to Indra

च (ca) - and

(indeclinable)