योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-8, verse-18

संशीर्णयोर्देहकयोश्चित्तके व्यसनाविले ।
विचेरतुस्तयोर्व्योम्नि निर्नीडौ विहगौ यथा ॥ १८ ॥

saṃśīrṇayordehakayościttake vyasanāvile ,
viceratustayorvyomni nirnīḍau vihagau yathā 18

18. saṃśīrṇayoḥ dehakayoḥ cittake vyasanāvile
viceratuḥ tayoḥ vyomni nirnīḍau vihagau yathā

18. tayoḥ dehakayoḥ saṃśīrṇayoḥ,
cittake vyasanāvile,
nirnīḍau vihagau yathā,
vyomni viceratuḥ

18. With their two bodies decayed and their minds agitated by distress, they wandered in the sky like two birds without a nest.

Words meanings summery:

• संशीर्णयोः (saṁśīrṇayoḥ) - of the two (bodies) that had decayed (of the two decayed, of the two wasted)

• देहकयोः (dehakayoḥ) - of the two bodies

• चित्तके (cittake) - in their minds (in the mind)

• व्यसनाविले (vyasanāvile) - disturbed by distress, agitated by calamity

• विचेरतुः (viceratuḥ) - they two wandered, they two moved about

• तयोः (tayoḥ) - referring to the two main characters (of those two, of them two)

• व्योम्नि (vyomni) - in the sky, in space

• निर्नीडौ (nirnīḍau) - homeless, without refuge (without a nest)

• विहगौ (vihagau) - two birds

• यथा (yathā) - like, as, just as

Words meanings and morphology

संशीर्णयोः (saṁśīrṇayoḥ) - of the two (bodies) that had decayed (of the two decayed, of the two wasted)

(adjective)

Genitive, masculine, dual of saṃśīrṇa

saṁśīrṇa - decayed, wasted, perished

Past Passive Participle

Derived from root śṝ (to break, to decay) with prefix sam.

Prefix: sam

Root: śṝ (class 9)

देहकयोः (dehakayoḥ) - of the two bodies

(noun)

Genitive, masculine, dual of dehaka

dehaka - small body, body

Diminutive of deha.

चित्तके (cittake) - in their minds (in the mind)

(noun)

Locative, neuter, singular of cittaka

cittaka - mind, thought

Diminutive of citta.

Note: The singular form here likely refers to the collective or common mind-state of the two, or the general realm of their mental experience, agreeing with vyasanāvile.

व्यसनाविले (vyasanāvile) - disturbed by distress, agitated by calamity

(adjective)

Locative, neuter, singular of vyasanāvila

vyasanāvila - agitated by misfortune/distress, confused by calamity

Compound vyasana (distress) + āvila (agitated, disturbed).

Compound type : tatpuruṣa (vyasana+āvila)

• vyasana – distress, misfortune, calamity, addiction, vice
  noun (neuter)
• āvila – agitated, turbid, disturbed, foul
  adjective

Note: Agrees with cittake.

विचेरतुः (viceratuḥ) - they two wandered, they two moved about

(verb)

3rd person , dual, active, past perfect (liṭ) of car

Prefix: vi

Root: car (class 1)

Note: From √car (wander) with prefix vi-, reduplicated form for liṭ.

तयोः (tayoḥ) - referring to the two main characters (of those two, of them two)

(pronoun)

Genitive, masculine, dual of tad

tad - that, those

Demonstrative pronoun.

व्योम्नि (vyomni) - in the sky, in space

(noun)

Locative, neuter, singular of vyoman

vyoman - sky, atmosphere, space

Root: yu (class 2)

निर्नीडौ (nirnīḍau) - homeless, without refuge (without a nest)

(adjective)

Nominative, masculine, dual of nirnīḍa

nirnīḍa - without a nest, homeless

Compound nis (without) + nīḍa (nest).

Compound type : bahuvrīhi (nis+nīḍa)

• nis – without, out, away from
  indeclinable
• nīḍa – nest, dwelling, abode
  noun (neuter)

Note: Adjective modifying vihagau.

विहगौ (vihagau) - two birds

(noun)

Nominative, masculine, dual of vihaga

vihaga - bird (literally 'moving in the sky')

Compound vi (sky) + ga (goer).

Compound type : aluk-samāsa (vi+ga)

• vi – sky, air; also a prefix
  noun/indeclinable
• ga – going, moving
  adjective/noun
  From root gam (to go).
  Root: gam (class 1)

Note: Used as a simile for the two wandering minds/souls.

यथा (yathā) - like, as, just as

(indeclinable)

Particle expressing comparison.