योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-23, verse-36

तत्रस्थो लोकसुन्दर्या सततं शीतलाङ्गया ।
रमते रामया मैत्र्या नित्यं हृदयसंस्थितः ॥ ३६ ॥

tatrastho lokasundaryā satataṃ śītalāṅgayā ,
ramate rāmayā maitryā nityaṃ hṛdayasaṃsthitaḥ 36

36. tatra sthaḥ lokasundaryā satatam śītalāṅgayā
ramate rāmayā maitryā nityam hṛdayasaṃsthitaḥ

36. tatra sthaḥ hṛdayasaṃsthitaḥ satatam nityam
lokasundaryā rāmayā śītalāṅgayā maitryā ramate

36. Abiding there, established in his heart (hṛdayasaṃsthitaḥ), he constantly (satatam) and always (nityam) delights with the beautiful one (rāmayā), who is the charm of the world (lokasundaryā), and with tranquil (śītalāṅgayā) friendship (maitryā).

Words meanings summery:

• तत्र (tatra) - referring to the celestial vehicle or realm mentioned in the previous verse (there, in that place)

• स्थः (sthaḥ) - qualifies the implied subject (the individual or his mind) (standing, staying, situated)

• लोकसुन्दर्या (lokasundaryā) - qualifies Rāmayā (the beautiful one/Lakshmi) (by the world's beauty, by the beautiful one of the world)

• सततम् (satatam) - constantly, always, continuously

• शीतलाङ्गया (śītalāṅgayā) - qualifies Maitryā (friendship) metaphorically as 'calming, soothing' (by the cool-bodied one, by the serene one)

• रमते (ramate) - he delights, he sports, he enjoys

• रामया (rāmayā) - by the beautiful one, by delight (personified), by Lakshmi

• मैत्र्या (maitryā) - by friendship, with friendliness, with benevolence

• नित्यम् (nityam) - always, constantly, perpetually

• हृदयसंस्थितः (hṛdayasaṁsthitaḥ) - situated in the heart, residing in the heart

Words meanings and morphology

तत्र (tatra) - referring to the celestial vehicle or realm mentioned in the previous verse (there, in that place)

(indeclinable)

From pronominal stem tad + suffix tra.

स्थः (sthaḥ) - qualifies the implied subject (the individual or his mind) (standing, staying, situated)

(adjective)

Nominative, masculine, singular of stha

stha - standing, staying, situated, being

suffix kta (agent noun from root sthā)

From root sthā (to stand) + ka suffix.

Root: sthā (class 1)

Note: Qualifies the implied subject.

लोकसुन्दर्या (lokasundaryā) - qualifies Rāmayā (the beautiful one/Lakshmi) (by the world's beauty, by the beautiful one of the world)

(noun)

Instrumental, feminine, singular of lokasundarī

lokasundarī - a woman beautiful to the world, world's beauty

Compound noun, feminine form of lokasundara.

Compound type : Tatpuruṣa (loka+sundarī)

• loka – world, people, region
  noun (masculine)
• sundarī – beautiful woman, lovely one
  noun (feminine)
  Feminine of sundara (beautiful)

सततम् (satatam) - constantly, always, continuously

(indeclinable)

Past Passive Participle

Adverbial accusative of satata.

Root: sad (class 1)

Note: Functions as an adverb.

शीतलाङ्गया (śītalāṅgayā) - qualifies Maitryā (friendship) metaphorically as 'calming, soothing' (by the cool-bodied one, by the serene one)

(adjective)

Instrumental, feminine, singular of śītalāṅgī

śītalāṅgī - a woman with a cool body, serene-bodied

Compound adjective, feminine form of śītalāṅga.

Compound type : Bahuvrīhi (śītala+aṅga)

• śītala – cool, cold, refreshing, calm
  adjective (masculine)
• aṅga – body, limb, part
  noun (neuter)

Note: Agrees with maitryā.

रमते (ramate) - he delights, he sports, he enjoys

(verb)

3rd person , singular, middle, present (laṭ) of ram

Present Tense

From root ram (class 1), Middle voice.

Root: ram (class 1)

रामया (rāmayā) - by the beautiful one, by delight (personified), by Lakshmi

(noun)

Instrumental, feminine, singular of ramā

ramā - delight, pleasure, beauty, charm, Lakshmi (goddess of fortune)

From root ram (to delight) + suffix ā.

Root: ram (class 1)

Note: Object of delight for ramate.

मैत्र्या (maitryā) - by friendship, with friendliness, with benevolence

(noun)

Instrumental, feminine, singular of maitrī

maitrī - friendship, benevolence, good will, kindness

From mitra (friend) + suffix ī.

Note: Object of delight for ramate.

नित्यम् (nityam) - always, constantly, perpetually

(indeclinable)

Adverbial accusative of nitya.

हृदयसंस्थितः (hṛdayasaṁsthitaḥ) - situated in the heart, residing in the heart

(adjective)

Nominative, masculine, singular of hṛdayasaṃsthita

hṛdayasaṁsthita - situated in the heart, abiding in the heart

Compound adjective.

Compound type : Tatpuruṣa (hṛdaya+saṃsthita)

• hṛdaya – heart, mind, soul
  noun (neuter)
• saṃsthita – situated, placed, established, abiding
  adjective (masculine)
  Past Passive Participle
  From sam-sthā
  Prefix: sam
  Root: sthā (class 1)