योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-19, verse-4

अकृत्रिमप्रेमरसा विलासालसगामिनी ।
सास्य संसारसर्वस्वमासीत्कुमुदहासिनी ॥ ४ ॥

akṛtrimapremarasā vilāsālasagāminī ,
sāsya saṃsārasarvasvamāsītkumudahāsinī 4

4. akṛtrimapremarasā vilāsālasagāminī | sā
asya saṃsārasarvasvam āsīt kumudahāsinī ||

4. akṛtrimapremarasā vilāsālasagāminī
kumudahāsinī sā asya saṃsārasarvasvam āsīt

4. She, whose essence was natural love, whose gait was gracefully languid, and who smiled like a water lily, was the very all (sarvasva) of his worldly existence (saṃsāra).

Words meanings summery:

• अकृत्रिमप्रेमरसा (akṛtrimapremarasā) - Refers to his wife. (whose essence was unfeigned love, full of natural affection)

• विलासालसगामिनी (vilāsālasagāminī) - Refers to his wife. (having a gracefully languid gait)

• सा (sā) - Refers to the wife of the man resembling Vasiṣṭha. (she, that (feminine))

• अस्य (asya) - Refers to the man who resembled Vasiṣṭha. (his, of this (person))

• संसारसर्वस्वम् (saṁsārasarvasvam) - the whole of his worldly existence, the entirety of his life (saṃsāra)

• आसीत् (āsīt) - was

• कुमुदहासिनी (kumudahāsinī) - Refers to his wife. (she who smiles like a water lily)

Words meanings and morphology

अकृत्रिमप्रेमरसा (akṛtrimapremarasā) - Refers to his wife. (whose essence was unfeigned love, full of natural affection)

(adjective)

Nominative, feminine, singular of akṛtrimapremarasa

akṛtrimapremarasa - essence of unfeigned love

Bahuvrīhi compound.

Compound type : bahuvrīhi (akṛtrima+preman+rasa)

• akṛtrima – natural, unfeigned, genuine, not artificial
  adjective (masculine)
  a- (not) + kṛtrima (artificial, made).
  Prefix: a
  Root: kṛ (class 8)
• preman – love, affection
  noun (neuter)
  From root prī (to please).
  Root: prī (class 9)
• rasa – essence, juice, taste, sentiment, emotion
  noun (masculine)
  From root ras (to taste, feel).
  Root: ras (class 1)

Note: One of the descriptive adjectives for sā.

विलासालसगामिनी (vilāsālasagāminī) - Refers to his wife. (having a gracefully languid gait)

(adjective)

Nominative, feminine, singular of vilāsālasagāminī

vilāsālasagāminī - one who walks with playful or languid grace

Bahuvrīhi compound.

Compound type : bahuvrīhi (vilāsa+ālasa+gāminī)

• vilāsa – play, sport, grace, charm, dalliance
  noun (masculine)
  From vi- + root las (to sport, shine).
  Prefix: vi
  Root: las (class 1)
• ālasa – languid, slow, indolent, lazy
  adjective (masculine)
  From ā- + root las (to be tired).
  Prefix: ā
  Root: las (class 1)
• gāminī – female who goes, having a gait
  noun (feminine)
  Present active participle (feminine)
  From root gam (to go).
  Root: gam (class 1)

Note: Another descriptive adjective for sā.

सा (sā) - Refers to the wife of the man resembling Vasiṣṭha. (she, that (feminine))

(pronoun)

Nominative, feminine, singular of tad

tad - that, she, it (demonstrative pronoun)

Note: Subject of the sentence.

अस्य (asya) - Refers to the man who resembled Vasiṣṭha. (his, of this (person))

(pronoun)

Genitive, masculine, singular of idam

idam - this, he, she, it (demonstrative pronoun)

Note: Possessive pronoun for 'his worldly existence'.

संसारसर्वस्वम् (saṁsārasarvasvam) - the whole of his worldly existence, the entirety of his life (saṃsāra)

(noun)

Nominative, neuter, singular of saṃsārasarvasva

saṁsārasarvasva - the whole of worldly existence, the essence of saṃsāra

Tatpuruṣa compound.

Compound type : tatpuruṣa (saṃsāra+sarvasva)

• saṃsāra – worldly existence, cycle of birth and death (saṃsāra)
  noun (masculine)
  From sam- + root sṛ (to move, flow).
  Prefix: sam
  Root: sṛ (class 1)
• sarvasva – entire possession, whole property, all that is dear
  noun (neuter)
  From sarva (all) + sva (one's own).

Note: Predicate nominative for sā.

आसीत् (āsīt) - was

(verb)

3rd person , singular, active, imperfect (laṅ) of as

Imperfect active 3rd singular

Root as (2nd class, adādi), imperfect form.

Root: as (class 2)

Note: Past tense of 'to be'.

कुमुदहासिनी (kumudahāsinī) - Refers to his wife. (she who smiles like a water lily)

(adjective)

Nominative, feminine, singular of kumudahāsinī

kumudahāsinī - having a smile like a water lily

Bahuvrīhi compound.

Compound type : bahuvrīhi (kumuda+hāsinī)

• kumuda – water lily, lotus
  noun (neuter)
  ku- (earth) + mud (to rejoice).
  Root: mud (class 1)
• hāsinī – she who laughs or smiles
  noun (feminine)
  Present active participle (feminine)
  From root has (to laugh, smile).
  Root: has (class 1)

Note: Another descriptive adjective for sā.