योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-9, verse-50

इयत्ताच्छिन्नतप्तासु सुखनाम्नीषु दृष्टिषु ।
कास्वेतास्वनुरक्तोऽस्मि पतङ्गोऽग्निशिखास्विव ॥ ५० ॥

iyattācchinnataptāsu sukhanāmnīṣu dṛṣṭiṣu ,
kāsvetāsvanurakto'smi pataṅgo'gniśikhāsviva 50

50. iyattā-cchinna-taptāsu sukha-nāmnīṣu dṛṣṭiṣu kāsu
etāsu anuraktaḥ asmi pataṅgaḥ agni-śikhāsu iva

50. iyattā-cchinna-taptāsu sukha-nāmnīṣu etāsu dṛṣṭiṣu
pataṅgaḥ agni-śikhāsu iva kāsu asmi anuraktaḥ

50. Like a moth to a flame, in which of these limited, fragmented, and tormented perceptions, falsely named "happiness," am I so attached?

Words meanings summery:

• इयत्ता-च्छिन्न-तप्तासु (iyattā-cchinna-taptāsu) - referring to perceptions of happiness that are inherently limited, broken, and painful (in the limited, fragmented, and tormented ones)

• सुख-नाम्नीषु (sukha-nāmnīṣu) - in those (perceptions) that are merely called "happiness" but are not truly so (in those named happiness, in those called happiness)

• दृष्टिषु (dṛṣṭiṣu) - in the various perceptions or experiences of the world (in views, in perceptions, in glances)

• कासु (kāsu) - in which of these (perceptions) (in which (feminine plural))

• एतासु (etāsu) - in these (perceptions) (in these (feminine plural))

• अनुरक्तः (anuraktaḥ) - attached, fond of, enamored

• अस्मि (asmi) - I am

• पतङ्गः (pataṅgaḥ) - moth (drawn to a flame) (moth, butterfly, bird)

• अग्नि-शिखासु (agni-śikhāsu) - in the flames (of a fire) (in flames, in tongues of fire)

• इव (iva) - like, as, as if

Words meanings and morphology

इयत्ता-च्छिन्न-तप्तासु (iyattā-cchinna-taptāsu) - referring to perceptions of happiness that are inherently limited, broken, and painful (in the limited, fragmented, and tormented ones)

(adjective)

Locative, feminine, plural of iyattā-cchinna-taptā

iyattā-cchinna-taptā - limited, fragmented, and tormented

Compound type : karmadharya (iyattā+cchinna+taptā)

• iyattā – limit, extent, this much-ness
  noun (feminine)
• cchinna – cut, fragmented, severed
  adjective
  Past Passive Participle
  derived from root chid (to cut)
  Root: chid (class 7)
• taptā – heated, burnt, tormented, suffering
  adjective
  Past Passive Participle
  derived from root tap (to heat, suffer)
  Root: tap (class 1)

Note: agrees with dṛṣṭiṣu

सुख-नाम्नीषु (sukha-nāmnīṣu) - in those (perceptions) that are merely called "happiness" but are not truly so (in those named happiness, in those called happiness)

(adjective)

Locative, feminine, plural of sukha-nāmnī

sukha-nāmnī - named happiness

Compound type : bahuvrihi (sukha+nāman)

• sukha – happiness, pleasure, comfort
  noun (neuter)
• nāman – name, appellation
  noun (neuter)

Note: agrees with dṛṣṭiṣu

दृष्टिषु (dṛṣṭiṣu) - in the various perceptions or experiences of the world (in views, in perceptions, in glances)

(noun)

Locative, feminine, plural of dṛṣṭi

dṛṣṭi - view, perception, vision, sight

derived from root dṛś (to see)

Root: dṛś (class 1)

कासु (kāsu) - in which of these (perceptions) (in which (feminine plural))

(pronoun)

Locative, feminine, plural of kim

kim - who, what, which

Note: agrees with dṛṣṭiṣu

एतासु (etāsu) - in these (perceptions) (in these (feminine plural))

(pronoun)

Locative, feminine, plural of etad

etad - this, these

Note: agrees with dṛṣṭiṣu

अनुरक्तः (anuraktaḥ) - attached, fond of, enamored

(adjective)

Nominative, masculine, singular of anurakta

anurakta - attached, devoted, fond of, enamored

Past Passive Participle

derived from root rañj (to color, delight) with prefix anu

Prefix: anu

Root: rañj (class 1)

Note: agrees with implied aham (I)

अस्मि (asmi) - I am

(verb)

1st person , singular, active, present indicative (laṭ) of as

Root: as (class 2)

पतङ्गः (pataṅgaḥ) - moth (drawn to a flame) (moth, butterfly, bird)

(noun)

Nominative, masculine, singular of pataṅga

pataṅga - moth, butterfly, bird, sun

from pat (to fly)

Root: pat (class 1)

Note: subject of the simile

अग्नि-शिखासु (agni-śikhāsu) - in the flames (of a fire) (in flames, in tongues of fire)

(noun)

Locative, feminine, plural of agni-śikhā

agni-śikhā - flame, tongue of fire

Compound type : tatpurusha (agni+śikhā)

• agni – fire, sacred fire
  noun (masculine)
• śikhā – flame, crest, tuft
  noun (feminine)

इव (iva) - like, as, as if

(indeclinable)