योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-54, verse-49

अनन्तगगने श्वभ्रे चक्रावर्ते पतन्निव ।
अब्धिरुर्वीविपर्यासदशामनुभवन्स्थितः ॥ ४९ ॥

anantagagane śvabhre cakrāvarte patanniva ,
abdhirurvīviparyāsadaśāmanubhavansthitaḥ 49

49. anantagagane śvabhre cakrāvarte patan iva |
abdhiḥ urvīviparyāsadaśām anubhavan sthitaḥ

49. patann iva anantagagane śvabhre cakrāvarte
abdhiḥ anubhavan sthitaḥ urvīviparyāsadaśām

49. As if falling into the endless sky, into an abyss, into a whirling cycle, he remained, like an ocean (abdhiḥ), experiencing a state of the earth's inversion (urvīviparyāsadaśā).

Words meanings summery:

• अनन्तगगने (anantagagane) - in the endless sky (in the endless sky, in infinite space)

• श्वभ्रे (śvabhre) - in an abyss (in a chasm, in a pit, in an abyss)

• चक्रावर्ते (cakrāvarte) - in a whirling cycle (in a whirling wheel, in a cycle, in a vortex)

• पतन् (patan) - falling (falling, descending)

• इव (iva) - as if (as if, like, similar to)

• अब्धिः (abdhiḥ) - an ocean (ocean, sea)

• उर्वीविपर्यासदशाम् (urvīviparyāsadaśām) - a state of the earth's inversion (urvīviparyāsadaśā) (a state of earth's inversion, a condition of the earth being overturned)

• अनुभवन् (anubhavan) - experiencing (experiencing, perceiving, feeling, enjoying)

• स्थितः (sthitaḥ) - remained (situated, standing, placed, being, remained)

Words meanings and morphology

अनन्तगगने (anantagagane) - in the endless sky (in the endless sky, in infinite space)

(noun)

Locative, neuter, singular of anantagagana

anantagagana - endless sky, infinite space

Compound of ananta (endless) and gagana (sky).

Compound type : karmadhāraya (ananta+gagana)

• ananta – endless, infinite, boundless
  adjective
  Negative prefix an + anta (end)
  Prefix: an
• gagana – sky, atmosphere, firmament
  noun (neuter)
  From root gam (to go)
  Root: gam (class 1)

श्वभ्रे (śvabhre) - in an abyss (in a chasm, in a pit, in an abyss)

(noun)

Locative, neuter, singular of śvabhra

śvabhra - hole, chasm, pit, abyss, cave

चक्रावर्ते (cakrāvarte) - in a whirling cycle (in a whirling wheel, in a cycle, in a vortex)

(noun)

Locative, masculine, singular of cakrāvarta

cakrāvarta - a whirling wheel, a cycle, a vortex, a whirlpool

Compound of cakra (wheel, cycle) and āvarta (whirl, eddy).

Compound type : tatpuruṣa (cakra+āvarta)

• cakra – wheel, disc, circle, cycle
  noun (neuter)
  Root: kṛ (class 8)
• āvarta – whirl, eddy, rotation, convolution
  noun (masculine)
  From prefix ā + root vṛt (to turn, revolve)
  Prefix: ā
  Root: vṛt (class 1)

पतन् (patan) - falling (falling, descending)

(participle)

Nominative, masculine, singular of pat

pat - to fall, alight, descend, drop

Present Active Participle

From root pat (to fall) + suffix -at (-an in nominative singular masculine).

Root: pat (class 1)

इव (iva) - as if (as if, like, similar to)

(indeclinable)

अब्धिः (abdhiḥ) - an ocean (ocean, sea)

(noun)

Nominative, masculine, singular of abdhi

abdhi - ocean, sea (literally "recipient of waters")

Compound of ap (water) + dhi (container/holder).

Compound type : tatpuruṣa (ap+dhi)

• ap – water
  noun (feminine)
• dhi – container, holder, receptacle
  noun (masculine)
  From root dhā (to place, hold)
  Root: dhā (class 3)

Note: Appears to be in apposition to the implied subject, or an implicit simile.

उर्वीविपर्यासदशाम् (urvīviparyāsadaśām) - a state of the earth's inversion (urvīviparyāsadaśā) (a state of earth's inversion, a condition of the earth being overturned)

(noun)

Accusative, feminine, singular of urvīviparyāsadaśā

urvīviparyāsadaśā - state of earth's inversion, condition of the earth being overturned

Compound of urvī (earth) + viparyāsa (inversion) + daśā (state/condition).

Compound type : tatpuruṣa (urvī+viparyāsa+daśā)

• urvī – earth, ground
  noun (feminine)
• viparyāsa – inversion, reverse, contrary, confusion
  noun (masculine)
  From vi + pari + as (to throw)
  Prefixes: vi+pari
  Root: as (class 4)
• daśā – state, condition, plight, period
  noun (feminine)
  Root: daś (class 1)

Note: Object of anubhavan.

अनुभवन् (anubhavan) - experiencing (experiencing, perceiving, feeling, enjoying)

(participle)

Nominative, masculine, singular of anu-bhū

anu-bhū - to experience, perceive, feel, enjoy, suffer

Present Active Participle

From prefix anu + root bhū (to be, become) + suffix -at (-an in nominative singular masculine).

Prefix: anu

Root: bhū (class 1)

Note: Agrees with abdhiḥ (or implied subject).

स्थितः (sthitaḥ) - remained (situated, standing, placed, being, remained)

(participle)

Nominative, masculine, singular of sthita

sthita - stood, situated, placed, fixed, being, remaining

Past Passive Participle

From root sthā (to stand) + suffix ta.

Root: sthā (class 1)

Note: Serves as the main predicate for the implied subject (or abdhiḥ).