योगवासिष्ठः yogavāsiṣṭhaḥ - book-1, chapter-11, verse-17

समुद्यद्यौवनारम्भं वृद्धोपशमशोभनम् ।
अनुद्विग्नमनानन्दं पूर्णप्रायमनोरथम् ॥ १७ ॥

samudyadyauvanārambhaṃ vṛddhopaśamaśobhanam ,
anudvignamanānandaṃ pūrṇaprāyamanoratham 17

17. samudyadyauvanārambham vṛddhopaśamaśobhanam
anudvignam anānandam pūrṇaprāyamanoratham

17. He is in the fresh beginning of youth, yet graced by the serenity of maturity. He is undisturbed and not excessively swayed by joy, having most of his aspirations nearly fulfilled.

Words meanings summery:

• समुद्यद्यौवनारम्भम् (samudyadyauvanārambham) - having the onset of youth, with emerging youth, just beginning youthful vigor

• वृद्धोपशमशोभनम् (vṛddhopaśamaśobhanam) - graced with the tranquility of maturity, shining with the calm of elders

• अनुद्विग्नम् (anudvignam) - undisturbed, unagitated, calm

• अनानन्दम् (anānandam) - not excessively joyful, free from attachment to joy, dispassionate

• पूर्णप्रायमनोरथम् (pūrṇaprāyamanoratham) - having most desires fulfilled, with aspirations almost completely achieved

Words meanings and morphology

समुद्यद्यौवनारम्भम् (samudyadyauvanārambham) - having the onset of youth, with emerging youth, just beginning youthful vigor

(adjective)

Accusative, masculine, singular of samudyadyauvanārambha

samudyadyauvanārambha - having the onset of youth, with emerging youth, just beginning youthful vigor

Compound type : bahuvrīhi (samudyat+yauvana+ārambha)

• samudyat – rising, emerging, well-risen
  adjective
  Present Active Participle
  From sam-ud-√yam (to rise up, to emerge)
  Prefixes: sam+ud
  Root: yam (class 1)
• yauvana – youth, youthfulness
  noun (neuter)
• ārambha – beginning, commencement, enterprise
  noun (masculine)

वृद्धोपशमशोभनम् (vṛddhopaśamaśobhanam) - graced with the tranquility of maturity, shining with the calm of elders

(adjective)

Accusative, masculine, singular of vṛddhopaśamaśobhana

vṛddhopaśamaśobhana - graced with the tranquility of maturity, shining with the calm of elders

Compound type : bahuvrīhi (vṛddha+upaśama+śobhana)

• vṛddha – old, aged, mature, grown
  adjective
  Past Passive Participle
  From √vṛdh (to grow)
  Root: vṛdh (class 1)
• upaśama – tranquility, calmness, pacification, cessation
  noun (masculine)
  Prefix: upa
  Root: śam (class 4)
• śobhana – beautiful, splendid, auspicious, adornment
  adjective
  From √śubh (to shine, be beautiful)
  Root: śubh (class 1)

अनुद्विग्नम् (anudvignam) - undisturbed, unagitated, calm

(adjective)

Accusative, masculine, singular of anudvigna

anudvigna - undisturbed, unagitated, calm

Compound type : nañ-tatpuruṣa (an+udvigna)

• an – not, un-
  indeclinable
• udvigna – agitated, disturbed, anxious
  adjective
  Past Passive Participle
  From ud-√vij (to be agitated, tremble)
  Prefix: ud
  Root: vij (class 6)

अनानन्दम् (anānandam) - not excessively joyful, free from attachment to joy, dispassionate

(adjective)

Accusative, masculine, singular of anānanda

anānanda - not excessively joyful, free from attachment to joy, dispassionate

Compound type : nañ-tatpuruṣa (an+ānanda)

• an – not, un-
  indeclinable
• ānanda – joy, happiness, bliss
  noun (masculine)
  Prefix: ā
  Root: nand (class 1)

पूर्णप्रायमनोरथम् (pūrṇaprāyamanoratham) - having most desires fulfilled, with aspirations almost completely achieved

(adjective)

Accusative, masculine, singular of pūrṇaprāyamanoratha

pūrṇaprāyamanoratha - having most desires fulfilled, with aspirations almost completely achieved

Compound type : bahuvrīhi (pūrṇa+prāya+manoratha)

• pūrṇa – full, complete, fulfilled
  adjective
  Past Passive Participle
  From √pṛ (to fill)
  Root: pṛ (class 3)
• prāya – almost, nearly, mostly
  indeclinable
• manoratha – desire, wish, aspiration, purpose
  noun (masculine)