योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-57, verse-58

वज्रार्पितोपममसन्मयमम्बुभङ्गतुङ्गं तरङ्गकृतबिम्बमिवावलोक्य ।
लोलां तदीहितसुखेषु रतिं न याति तज्ज्ञः कुशैवललवेष्विव राजहंसः ॥ ५८ ॥

vajrārpitopamamasanmayamambubhaṅgatuṅgaṃ taraṅgakṛtabimbamivāvalokya ,
lolāṃ tadīhitasukheṣu ratiṃ na yāti tajjñaḥ kuśaivalalaveṣviva rājahaṃsaḥ 58

58. vajrārpita-upamam asanmayam ambubhaṅgatuṅgam
taraṅgakṛtabimbam iva avalokya
lolām tadīhitasukheṣu ratim na yāti
tajjñaḥ kuśaivalalaveṣu iva rājahamsaḥ

58. tajjñaḥ rājahamsaḥ iva vajrārpita-upamam
asanmayam ambubhaṅgatuṅgam
taraṅgakṛtabimbam avalokya tadīhitasukheṣu
lolām ratim na yāti kuśaivalalaveṣu iva

58. Having perceived (the world as) an image formed by waves, rising high like breaking water, inherently unreal, and seemingly as firm as a diamond setting, the knower of truth (tajjña) does not develop fleeting attachment (rati) to its desired pleasures, just as a royal swan (rājahamsa) finds no delight in tiny bits of moss and algae.

Words meanings summery:

• वज्रार्पित-उपमम् (vajrārpita-upamam) - comparable to something set in diamond, appearing firm like a diamond setting

• असन्मयम् (asanmayam) - unreal, illusory, consisting of non-existence

• अम्बुभङ्गतुङ्गम् (ambubhaṅgatuṅgam) - elevated/high like breaking water/waves

• तरङ्गकृतबिम्बम् (taraṅgakṛtabimbam) - an image made by waves, a reflection created by waves

• इव (iva) - like, as, as if

• अवलोक्य (avalokya) - having perceived, having seen, having observed

• लोलाम् (lolām) - fleeting, wavering, unsteady

• तदीहितसुखेषु (tadīhitasukheṣu) - in the pleasures desired by it (the world), or in those desired pleasures

• रतिम् (ratim) - attachment, delight, pleasure

• न (na) - not, no

• याति (yāti) - goes, attains, obtains

• तज्ज्ञः (tajjñaḥ) - the knower of that (truth), the one who knows it

• कुशैवललवेषु (kuśaivalalaveṣu) - in tiny bits of moss and algae, in despised fragments of moss

• इव (iva) - like, as, as if

• राजहम्सः (rājahamsaḥ) - royal swan, kingly swan

Words meanings and morphology

वज्रार्पित-उपमम् (vajrārpita-upamam) - comparable to something set in diamond, appearing firm like a diamond setting

(adjective)

Accusative, neuter, singular of vajrārpita-upama

vajrārpita-upama - like something fixed on a diamond, comparable to a diamond setting

Compound type : tatpurusha / upamānatatpurusha (vajrārpita+upama)

• vajrārpita – fixed with a diamond, set in diamond
  adjective (neuter)
• upama – similar, comparable, like
  adjective (neuter)

असन्मयम् (asanmayam) - unreal, illusory, consisting of non-existence

(adjective)

Accusative, neuter, singular of asanmaya

asanmaya - unreal, illusory, consisting of non-existence

Compound type : karmadhāraya (asat+maya)

• asat – non-existent, unreal
  adjective (neuter)
  Negation 'a' + 'sat' (present participle of as 'to be')
  Prefix: a
  Root: as (class 2)
• maya – consisting of, made of
  suffix (neuter)

अम्बुभङ्गतुङ्गम् (ambubhaṅgatuṅgam) - elevated/high like breaking water/waves

(adjective)

Accusative, neuter, singular of ambubhaṅgatuṅga

ambubhaṅgatuṅga - elevated by breaking water/waves, high like surging water

Compound type : upamāna-pūrva-pada tatpurusha (ambu+bhaṅga+tuṅga)

• ambu – water
  noun (neuter)
• bhaṅga – breaking, disruption, wave
  noun (masculine)
  From root bhañj (to break)
  Root: bhañj (class 7)
• tuṅga – high, elevated, lofty
  adjective (neuter)

तरङ्गकृतबिम्बम् (taraṅgakṛtabimbam) - an image made by waves, a reflection created by waves

(adjective)

Accusative, neuter, singular of taraṅgakṛtabimba

taraṅgakṛtabimba - image formed by waves, reflection made by waves

Compound type : tṛtīyā tatpurusha (taraṅga+kṛta+bimba)

• taraṅga – wave, ripple
  noun (masculine)
• kṛta – made, done, created
  participle (neuter)
  Past Passive Participle
  Root: kṛ (class 8)
• bimba – image, reflection, disc
  noun (neuter)

इव (iva) - like, as, as if

(indeclinable)

अवलोक्य (avalokya) - having perceived, having seen, having observed

(indeclinable)

Absolutive (gerund)

Derived from root lok (to see) with prefix ava

Prefix: ava

Root: lok (class 10)

लोलाम् (lolām) - fleeting, wavering, unsteady

(adjective)

Accusative, feminine, singular of lolā

lolā - fickle, wavering, trembling, unsteady

तदीहितसुखेषु (tadīhitasukheṣu) - in the pleasures desired by it (the world), or in those desired pleasures

(noun)

Locative, neuter, plural of tadīhitasukha

tadīhitasukha - pleasures desired by it/that

Compound type : ṣaṣṭhī tatpurusha (tad+īhita+sukha)

• tad – that
  pronoun (neuter)
• īhita – desired, sought, wished for
  participle (neuter)
  Past Passive Participle
  From root īh (to desire)
  Root: īh (class 1)
• sukha – pleasure, happiness, joy
  noun (neuter)

रतिम् (ratim) - attachment, delight, pleasure

(noun)

Accusative, feminine, singular of rati

rati - attachment, delight, love, pleasure

From root ram (to delight)

Root: ram (class 1)

न (na) - not, no

(indeclinable)

याति (yāti) - goes, attains, obtains

(verb)

3rd person , singular, active, present indicative (laṭ) of yā

Root yā, 2nd class verb (Adādi group)

Root: yā (class 2)

तज्ज्ञः (tajjñaḥ) - the knower of that (truth), the one who knows it

(noun)

Nominative, masculine, singular of tajjña

tajjña - knower of that, knower of reality/truth

Compound type : tatpurusha (tat+jña)

• tat – that (neuter pronoun)
  pronoun (neuter)
• jña – knowing, knower
  adjective (masculine)
  Agent noun suffix -jña from root jñā
  Root: jñā (class 9)

कुशैवललवेषु (kuśaivalalaveṣu) - in tiny bits of moss and algae, in despised fragments of moss

(noun)

Locative, masculine, plural of kuśaivalalava

kuśaivalalava - tiny bit of moss/algae, insignificant fragment of moss

Compound type : karmadhāraya / ṣaṣṭhī tatpurusha (ku+śaivala+lava)

• ku – bad, inferior, despised
  prefix
• śaivala – moss, algae, water plant
  noun (neuter)
• lava – fragment, small piece, particle
  noun (masculine)
  From root lu (to cut)
  Root: lū (class 9)

इव (iva) - like, as, as if

(indeclinable)

राजहम्सः (rājahamsaḥ) - royal swan, kingly swan

(noun)

Nominative, masculine, singular of rājahamsa

rājahamsa - royal swan, kingly swan (a mythical bird known for discrimination)

Compound type : karmadhāraya (rājan+hamsa)

• rājan – king, ruler
  noun (masculine)
• hamsa – swan, goose
  noun (masculine)