योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-28, verse-5

आकाशात्मनि भूपीठं तस्मिंस्तद्राजपत्तनम् ।
राजसद्मानुभवति स च सा चाप्यरुन्धती ॥ ५ ॥

ākāśātmani bhūpīṭhaṃ tasmiṃstadrājapattanam ,
rājasadmānubhavati sa ca sā cāpyarundhatī 5

5. ākāśātmani bhūpīṭham tasmin tat rājapattanam
rājasadma anubhavati saḥ ca sā ca api Arundhatī

5. saḥ ca sā ca api Arundhatī ākāśātmani bhūpīṭham,
tasmin tat rājapattanam,
(tatra) rājasadma anubhavati.

5. Within that essence of space (ākāśa), they experienced the earth's surface (bhūpīṭha), and on that, the royal city, and within that, the royal palace. This was experienced by both him and her, Queen Arundhatī.

Words meanings summery:

• आकाशात्मनि (ākāśātmani) - within that essence of space (ākāśa) (in the essence of space, in the self of space)

• भूपीठम् (bhūpīṭham) - the earth's surface (bhūpīṭha) (the earth's surface, a platform of earth)

• तस्मिन् (tasmin) - on that (referring to the earth's surface) (in that, on that)

• तत् (tat) - that (referring to the royal city) (that)

• राजपत्तनम् (rājapattanam) - the royal city (royal city, capital)

• राजसद्म (rājasadma) - the royal palace (royal palace, king's residence)

• अनुभवति (anubhavati) - experienced (experiences, perceives, feels)

• सः (saḥ) - he (the king) (he, that)

• च (ca) - and

• सा (sā) - she (Queen Arundhatī) (she, that)

• च (ca) - and

• अपि (api) - even (also, even, too)

• अरुन्धती (arundhatī) - Queen Arundhatī (Arundhati (name of a star, wife of sage Vasiṣṭha))

Words meanings and morphology

आकाशात्मनि (ākāśātmani) - within that essence of space (ākāśa) (in the essence of space, in the self of space)

(noun)

Locative, masculine, singular of ākāśātman

ākāśātman - the essence/self of space, spatial essence

Compound type : tatpuruṣa (ākāśa+ātman)

• ākāśa – space, sky, ether
  noun (masculine)
• ātman – self, soul, essence, spirit
  noun (masculine)

Note: Locative case, indicating location.

भूपीठम् (bhūpīṭham) - the earth's surface (bhūpīṭha) (the earth's surface, a platform of earth)

(noun)

Accusative, neuter, singular of bhūpīṭha

bhūpīṭha - earth's surface, terrestrial platform

Compound type : tatpuruṣa (bhū+pīṭha)

• bhū – earth, land
  noun (feminine)
• pīṭha – seat, stool, platform, base
  noun (neuter)

Note: Accusative object of 'anubhavati'.

तस्मिन् (tasmin) - on that (referring to the earth's surface) (in that, on that)

(pronoun)

Locative, neuter, singular of tad

tad - that, he, she, it

Note: Refers to 'bhūpīṭham'.

तत् (tat) - that (referring to the royal city) (that)

(pronoun)

neuter, singular of tad

tad - that, he, she, it

Note: Adjective to 'rājapattanam'.

राजपत्तनम् (rājapattanam) - the royal city (royal city, capital)

(noun)

Accusative, neuter, singular of rājapattana

rājapattana - royal city, capital city

Compound type : tatpuruṣa (rājan+pattana)

• rājan – king, monarch
  noun (masculine)
• pattana – city, town
  noun (neuter)

Note: Accusative object of 'anubhavati'.

राजसद्म (rājasadma) - the royal palace (royal palace, king's residence)

(noun)

Accusative, neuter, singular of rājasadman

rājasadman - royal palace, king's residence

Compound type : tatpuruṣa (rājan+sadman)

• rājan – king, monarch
  noun (masculine)
• sadman – house, dwelling, abode
  noun (neuter)

Note: Accusative object of 'anubhavati'.

अनुभवति (anubhavati) - experienced (experiences, perceives, feels)

(verb)

3rd person , singular, active, present (laṭ) of anubhū

Present Active

Derived from root 'bhū' with prefix 'anu-'.

Prefix: anu

Root: bhū (class 1)

Note: The singular verb agrees with the combined dual subject (him and Arundhatī).

सः (saḥ) - he (the king) (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Note: Part of the compound subject 'he and she'.

च (ca) - and

(indeclinable)

Note: Conjunction.

सा (sā) - she (Queen Arundhatī) (she, that)

(pronoun)

Nominative, feminine, singular of tad

tad - that, he, she, it

Note: Part of the compound subject 'he and she'.

च (ca) - and

(indeclinable)

Note: Conjunction.

अपि (api) - even (also, even, too)

(indeclinable)

Note: Emphatic particle.

अरुन्धती (arundhatī) - Queen Arundhatī (Arundhati (name of a star, wife of sage Vasiṣṭha))

(proper noun)

Nominative, feminine, singular of Arundhatī

Arundhatī - Arundhati (name of a star, wife of Vasiṣṭha; also a proper noun for a queen)

Note: Proper noun, subject of the sentence.