योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-66, verse-22

नीरसा निःसुखा लघ्वी पतत्पेलवगात्रिका ।
जीर्णपर्णसवर्णेयं क्षीयते दिवसावली ॥ २२ ॥

nīrasā niḥsukhā laghvī patatpelavagātrikā ,
jīrṇaparṇasavarṇeyaṃ kṣīyate divasāvalī 22

22. nīrasā niḥsukhā laghvī patatpelavagātrikā
jīrṇaparṇasavarṇā iyam kṣīyate divasāvalī

22. iyam divasāvalī nīrasā niḥsukhā laghvī
patatpelavagātrikā jīrṇaparṇasavarṇā kṣīyate

22. This succession of days, devoid of essence and happiness, trivial and fragile, with its delicate parts decaying, wastes away, resembling a withered leaf.

Words meanings summery:

• नीरसा (nīrasā) - the days, lacking essential meaning or enjoyment (without juice/essence, insipid, joyless)

• निःसुखा (niḥsukhā) - the days, devoid of happiness (without happiness, unhappy)

• लघ्वी (laghvī) - the days, trivial, fleeting (light, trifling, insignificant, small, short)

• पतत्पेलवगात्रिका (patatpelavagātrikā) - the days, with its delicate, transient moments passing away (having delicate/fragile parts that are falling/decaying)

• जीर्णपर्णसवर्णा (jīrṇaparṇasavarṇā) - the days, becoming pale and lifeless like a decaying leaf (similar in color to a withered leaf, resembling a withered leaf)

• इयम् (iyam) - refers to 'divasāvalī' (this (feminine))

• क्षीयते (kṣīyate) - wastes away, decays, diminishes, perishes

• दिवसावली (divasāvalī) - series/succession of days

Words meanings and morphology

नीरसा (nīrasā) - the days, lacking essential meaning or enjoyment (without juice/essence, insipid, joyless)

(adjective)

Nominative, feminine, singular of nīrasa

nīrasa - without essence, tasteless, joyless

Compound type : bahuvrihi (nis+rasa)

• nis – without, out, free from
  indeclinable
• rasa – juice, essence, taste, enjoyment
  noun (masculine)

निःसुखा (niḥsukhā) - the days, devoid of happiness (without happiness, unhappy)

(adjective)

Nominative, feminine, singular of niḥsukha

niḥsukha - without happiness, unhappy

Compound type : bahuvrihi (nis+sukha)

• nis – without, out, free from
  indeclinable
• sukha – happiness, comfort, ease
  noun (neuter)

लघ्वी (laghvī) - the days, trivial, fleeting (light, trifling, insignificant, small, short)

(adjective)

Nominative, feminine, singular of laghu

laghu - light, small, trivial, quick

पतत्पेलवगात्रिका (patatpelavagātrikā) - the days, with its delicate, transient moments passing away (having delicate/fragile parts that are falling/decaying)

(adjective)

Nominative, feminine, singular of patatpelavagātrikā

patatpelavagātrikā - having delicate and falling parts

Compound type : bahuvrihi (patat+pelava+gātrikā)

• patat – falling, dropping, transient
  participle (masculine)
  Present Active Participle
  from root pat (to fall)
  Root: pat (class 1)
• pelava – delicate, tender, soft, frail
  adjective (neuter)
• gātrikā – small body/limb, a part (diminutive of gātra)
  noun (feminine)

जीर्णपर्णसवर्णा (jīrṇaparṇasavarṇā) - the days, becoming pale and lifeless like a decaying leaf (similar in color to a withered leaf, resembling a withered leaf)

(adjective)

Nominative, feminine, singular of jīrṇaparṇasavarṇa

jīrṇaparṇasavarṇa - having the same color as a withered leaf

Compound type : bahuvrihi (jīrṇa+parṇa+savarṇa)

• jīrṇa – withered, old, decayed, worn out
  participle (neuter)
  Past Passive Participle
  from root jṛ (to decay)
  Root: jṛ (class 9)
• parṇa – leaf
  noun (neuter)
• savarṇa – same color, similar, homogeneous
  adjective (masculine)

इयम् (iyam) - refers to 'divasāvalī' (this (feminine))

(pronoun)

Nominative, feminine, singular of idam

idam - this

क्षीयते (kṣīyate) - wastes away, decays, diminishes, perishes

(verb)

3rd person , singular, passive, present indicative (lat) of kṣī

Present Middle Indicative

passive voice formation from √kṣi (4th class), kṣīyate is passive form

Root: kṣi (class 4)

दिवसावली (divasāvalī) - series/succession of days

(noun)

Nominative, feminine, singular of divasāvalī

divasāvalī - row/series of days

Compound type : tatpurusha (divasa+āvalī)

• divasa – day
  noun (masculine)
• āvalī – row, line, series, succession
  noun (feminine)