योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-21, verse-15

भुशुण्ड उवाच ।
यदा पपात कल्पान्ते व्यवहारो जगत्स्थितौ ।
कृतघ्न इव सन्मित्रं तदा नीडं त्यजाम्यहम् ॥ १५ ॥

bhuśuṇḍa uvāca ,
yadā papāta kalpānte vyavahāro jagatsthitau ,
kṛtaghna iva sanmitraṃ tadā nīḍaṃ tyajāmyaham 15

15. bhuśuṇḍaḥ uvāca yadā papāta kalpānte vyavahāraḥ jagatsthitau
kṛtaghnaḥ iva sanmitram tadā nīḍam tyajāmi aham

15. bhuśuṇḍaḥ uvāca yadā kalpānte jagatsthitau vyavahāraḥ
papāta kṛtaghnaḥ sanmitram iva tadā aham nīḍam tyajāmi

15. Bhushunda said: When, at the end of a cosmic cycle (kalpa), the activity (vyavahāra) associated with the world's existence ceased — just as an ungrateful person abandons a good friend — then I abandon my nest (nīḍa).

Words meanings summery:

• भुशुण्डः (bhuśuṇḍaḥ) - Bhushunda (a proper name)

• उवाच (uvāca) - said, spoke

• यदा (yadā) - when, at which time

• पपात (papāta) - fell, ceased, came to an end

• कल्पान्ते (kalpānte) - at the end of a cosmic cycle (kalpa)

• व्यवहारः (vyavahāraḥ) - activity, worldly existence, customary practice, dealings

• जगत्स्थितौ (jagatsthitau) - in the state of the world, for the world's existence

• कृतघ्नः (kṛtaghnaḥ) - an ungrateful person, one who destroys good deeds

• इव (iva) - like, as, as if

• सन्मित्रम् (sanmitram) - a good friend, a true friend

• तदा (tadā) - then, at that time

• नीडम् (nīḍam) - nest, abode

• त्यजामि (tyajāmi) - I abandon, I forsake

• अहम् (aham) - I

Words meanings and morphology

भुशुण्डः (bhuśuṇḍaḥ) - Bhushunda (a proper name)

(proper noun)

Nominative, masculine, singular of bhuśuṇḍa

bhuśuṇḍa - Bhushunda (name of the crow sage)

उवाच (uvāca) - said, spoke

(verb)

3rd person , singular, active, perfect (lit) of vac

Perfect tense, 3rd person singular, active voice

Root vac (to speak), perfect tense (lit), Parasmaipada. Irregular perfect formation.

Root: vac (class 2)

यदा (yadā) - when, at which time

(indeclinable)

पपात (papāta) - fell, ceased, came to an end

(verb)

3rd person , singular, active, perfect (lit) of pat

Perfect tense, 3rd person singular, active voice

Root pat (to fall), 1st class, perfect tense (lit), Parasmaipada.

Root: pat (class 1)

कल्पान्ते (kalpānte) - at the end of a cosmic cycle (kalpa)

(noun)

Locative, masculine, singular of kalpānta

kalpānta - end of a kalpa (cosmic cycle)

Compound type : tatpurusha (kalpa+anta)

• kalpa – a cosmic day of Brahma, a long period of time, a sacred precept
  noun (masculine)
• anta – end, limit, boundary
  noun (masculine)

व्यवहारः (vyavahāraḥ) - activity, worldly existence, customary practice, dealings

(noun)

Nominative, masculine, singular of vyavahāra

vyavahāra - activity, worldly existence, customary practice, business, behavior

Derived from root hṛ (to carry) with upasargas vi- and ava-.

Prefixes: vi+ava

Root: hṛ (class 1)

जगत्स्थितौ (jagatsthitau) - in the state of the world, for the world's existence

(noun)

Locative, feminine, singular of jagatsthiti

jagatsthiti - world's existence, state of the world, maintenance of the world

Compound type : tatpurusha (jagat+sthiti)

• jagat – world, universe, moving
  noun (neuter)
  Root: gam (class 1)
• sthiti – state, existence, stability, continuance
  noun (feminine)
  action noun
  Derived from root sthā (to stand).
  Root: sthā (class 1)

कृतघ्नः (kṛtaghnaḥ) - an ungrateful person, one who destroys good deeds

(adjective)

Nominative, masculine, singular of kṛtaghna

kṛtaghna - ungrateful, one who destroys good deeds

Compound type : tatpurusha (kṛta+ghna)

• kṛta – done, made, performed, a good deed
  participle
  Past Passive Participle
  Derived from root kṛ (to do, make).
  Root: kṛ (class 8)
• ghna – killer, destroyer, causing the destruction of
  adjective
  Derived from root han (to strike, kill) with suffix -a.
  Root: han (class 2)

इव (iva) - like, as, as if

(indeclinable)

सन्मित्रम् (sanmitram) - a good friend, a true friend

(noun)

Accusative, neuter, singular of sanmitra

sanmitra - good friend, true friend

Compound type : karmadhāraya (sat+mitra)

• sat – being, existing, good, true
  participle
  Present Active Participle
  Derived from root as (to be).
  Root: as (class 2)
• mitra – friend, companion, sun
  noun (neuter)

तदा (tadā) - then, at that time

(indeclinable)

नीडम् (nīḍam) - nest, abode

(noun)

Accusative, neuter, singular of nīḍa

nīḍa - nest, abode, resting place, dwelling

त्यजामि (tyajāmi) - I abandon, I forsake

(verb)

1st person , singular, active, present (laṭ) of tyaj

Present tense, 1st person singular, active voice

Root tyaj (to abandon), 1st class, Parasmaipada.

Root: tyaj (class 1)

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I (first person pronoun)