योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-4, verse-5

अपूर्वाह्लाददायिन्य उच्चैस्तरपदाश्रयाः ।
अतिमोहापहारिण्यः सूक्तयो हि महीयसाम् ॥ ५ ॥

apūrvāhlādadāyinya uccaistarapadāśrayāḥ ,
atimohāpahāriṇyaḥ sūktayo hi mahīyasām 5

5. apūrvāhlādadāyinyaḥ uccaiḥstarapadāśrayāḥ
atimohāpahāriṇyaḥ sūktayaḥ hi mahīyasām

5. mahīyasām apūrvāhlādadāyinyaḥ uccaiḥstarapadāśrayāḥ atimohāpahāriṇyaḥ sūktayaḥ hi (santi).

5. Indeed, the wise words of great persons are unprecedentedly delightful, supported by the highest principles, and dispel profound delusion.

Words meanings summery:

• अपूर्वाह्लाददायिन्यः (apūrvāhlādadāyinyaḥ) - giving unprecedented joy/delight

• उच्चैःस्तरपदाश्रयाः (uccaiḥstarapadāśrayāḥ) - based on very high principles/words/states

• अतिमोहापहारिण्यः (atimohāpahāriṇyaḥ) - removing great delusion

• सूक्तयः (sūktayaḥ) - good sayings, wise words, eloquent speeches

• हि (hi) - indeed, for, because

• महीयसाम् (mahīyasām) - of the great, of venerable ones

Words meanings and morphology

अपूर्वाह्लाददायिन्यः (apūrvāhlādadāyinyaḥ) - giving unprecedented joy/delight

(adjective)

Nominative, feminine, plural of apūrvāhlādadāyin

apūrvāhlādadāyin - giving unprecedented joy

Compound of 'apūrva' (unprecedented) and 'āhlādadāyin' (joy-giving).

Compound type : tatpurusha (apūrva+āhlādadāyin)

• apūrva – unprecedented, novel, never before
  adjective (masculine)
  From 'a' (not) + 'pūrva' (previous).
• āhlādadāyin – giving joy, delightful
  adjective (masculine)
  From 'āhlāda' (joy) and 'dāyin' (giver, giving). 'dāyin' from root 'dā' (to give).
  Prefix: ā
  Root: dā (class 3)

उच्चैःस्तरपदाश्रयाः (uccaiḥstarapadāśrayāḥ) - based on very high principles/words/states

(adjective)

Nominative, feminine, plural of uccaiḥstarapadāśraya

uccaiḥstarapadāśraya - based on very high principles/words/states

Compound of 'uccaiḥstara' (very high) and 'pada' (word, state, position) and 'āśraya' (refuge, reliance, based on).

Compound type : tatpurusha (uccaiḥstara+pada+āśraya)

• uccaiḥstara – very high, loftier
  adjective (masculine)
  Comparative of 'uccaiḥ' (high) + 'tara' suffix.
• pada – word, step, state, position
  noun (neuter)
  From root 'pad' (to go).
  Root: pad (class 4)
• āśraya – refuge, support, resort, dependence
  noun (masculine)
  From 'ā-śri' (to resort to, depend on).
  Prefix: ā
  Root: śri (class 1)

अतिमोहापहारिण्यः (atimohāpahāriṇyaḥ) - removing great delusion

(adjective)

Nominative, feminine, plural of atimohāpahāriṇ

atimohāpahāriṇ - removing great delusion

Compound of 'atimoha' (great delusion) and 'apahāriṇ' (removing). 'apahāriṇ' from 'apa-hṛ' (to take away).

Compound type : tatpurusha (atimoha+apahāriṇ)

• atimoha – great delusion, profound infatuation
  noun (masculine)
  Compound of 'ati' (excessive) and 'moha' (delusion).
  Root: muh (class 4)
• apahāriṇ – taking away, removing, carrying off
  adjective (masculine)
  Agent noun from 'apa-hṛ' (to take away).
  Prefix: apa
  Root: hṛ (class 1)

सूक्तयः (sūktayaḥ) - good sayings, wise words, eloquent speeches

(noun)

Nominative, feminine, plural of sūkti

sūkti - good saying, wise word, eloquent speech, aphorism

Compound of 'su' (good) and 'ukti' (saying).

Compound type : karmadhāraya (su+ukti)

• su – good, well, excellent
  indeclinable
  Prefix.
• ukti – saying, speech, expression
  noun (feminine)
  From root 'vac' (to speak).
  Root: vac (class 2)

हि (hi) - indeed, for, because

(indeclinable)

Emphatic or causal particle.

महीयसाम् (mahīyasām) - of the great, of venerable ones

(noun)

Genitive, masculine, plural of mahīyas

mahīyas - greater, very great, venerable

Superlative/comparative stem of 'mahat' (great).

Root: mah (class 1)

Note: Possessive, refers to 'sūktayaḥ'.