योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-51, verse-13

उद्दालको नाम मुनिर्मौनी मानी महामतिः ।
अप्राप्तयौवनः पूर्वमुवासोद्दामतापसः ॥ १३ ॥

uddālako nāma munirmaunī mānī mahāmatiḥ ,
aprāptayauvanaḥ pūrvamuvāsoddāmatāpasaḥ 13

13. uddālakaḥ nāma muniḥ maunī mānī mahāmatiḥ
aprāptayauvanaḥ pūrvam uvāsa uddāmatāpasaḥ

13. uddālakaḥ nāma muniḥ maunī mānī mahāmatiḥ
aprāptayauvanaḥ uddāmatāpasaḥ pūrvam uvāsa

13. Formerly, a sage (muni) named Uddālaka, who observed silence (maunī), was self-respecting, great-minded, had not yet reached youth (i.e., was very young), and performed intense spiritual austerity (tapas), dwelled there.

Words meanings summery:

• उद्दालकः (uddālakaḥ) - Uddālaka (a proper name)

• नाम (nāma) - by name, named

• मुनिः (muniḥ) - The specific sage Uddālaka. (sage, ascetic)

• मौनी (maunī) - Refers to Uddālaka's practice of silence. (silent, practicing silence)

• मानी (mānī) - self-respecting, honored, proud

• महामतिः (mahāmatiḥ) - great-minded, highly intelligent

• अप्राप्तयौवनः (aprāptayauvanaḥ) - Emphasizing Uddālaka's young age. (who had not attained youth, very young)

• पूर्वम् (pūrvam) - formerly, previously

• उवास (uvāsa) - dwelled, lived

• उद्दामतापसः (uddāmatāpasaḥ) - Describes Uddālaka's strong commitment to spiritual practices. (of intense asceticism, one who practices formidable spiritual austerity)

Words meanings and morphology

उद्दालकः (uddālakaḥ) - Uddālaka (a proper name)

(proper noun)

Nominative, masculine, singular of uddālaka

uddālaka - name of a sage

नाम (nāma) - by name, named

(indeclinable)

मुनिः (muniḥ) - The specific sage Uddālaka. (sage, ascetic)

(noun)

Nominative, masculine, singular of muni

muni - sage, ascetic, seer, one who practices silent contemplation

मौनी (maunī) - Refers to Uddālaka's practice of silence. (silent, practicing silence)

(adjective)

Nominative, masculine, singular of maunin

maunin - silent, observing silence, an ascetic who practices silence

Derived from 'mauna' (silence).

मानी (mānī) - self-respecting, honored, proud

(adjective)

Nominative, masculine, singular of mānin

mānin - honored, respected, proud, self-respecting

Derived from 'māna' (honor, respect).

महामतिः (mahāmatiḥ) - great-minded, highly intelligent

(adjective)

Nominative, masculine, singular of mahāmati

mahāmati - great-minded, very intelligent, one whose mind is great

Compound type : bahuvrīhi (mahā+mati)

• mahā – great, large, mighty
  adjective (feminine)
• mati – mind, intellect, thought, intention
  noun (feminine)
  From root 'man' (to think).
  Root: man (class 4)

अप्राप्तयौवनः (aprāptayauvanaḥ) - Emphasizing Uddālaka's young age. (who had not attained youth, very young)

(adjective)

Nominative, masculine, singular of aprāptayauvana

aprāptayauvana - one who has not obtained youth

Compound type : bahuvrīhi (a+prāpta+yauvana)

• a – not, non-, un-
  indeclinable
• prāpta – attained, obtained, reached
  adjective (neuter)
  Past Passive Participle
  Derived from root 'āp' (to obtain) with prefix 'pra'.
  Prefix: pra
  Root: āp (class 5)
• yauvana – youth, adolescence
  noun (neuter)

पूर्वम् (pūrvam) - formerly, previously

(indeclinable)

Note: Used as an adverb here.

उवास (uvāsa) - dwelled, lived

(verb)

3rd person , singular, active, perfect (liṭ) of vas

Perfect (Liṭ) tense

3rd person singular active.

Root: vas (class 1)

उद्दामतापसः (uddāmatāpasaḥ) - Describes Uddālaka's strong commitment to spiritual practices. (of intense asceticism, one who practices formidable spiritual austerity)

(adjective)

Nominative, masculine, singular of uddāmatāpasa

uddāmatāpasa - one of intense spiritual austerity; a powerful ascetic

Compound type : tatpuruṣa (uddāma+tāpasa)

• uddāma – unrestrained, fierce, intense, formidable
  adjective (masculine)
• tāpasa – ascetic, hermit, one who performs spiritual austerity (tapas)
  noun (masculine)
  Derived from 'tapas' (spiritual austerity).