योगवासिष्ठः yogavāsiṣṭhaḥ - book-2, chapter-1, verse-13

एकदा सोऽमलप्रज्ञो मेरावेकान्तसुस्थितम् ।
पप्रच्छ पितरं भक्त्या कृष्णद्वैपायनं मुनिम् ॥ १३ ॥

ekadā so'malaprajño merāvekāntasusthitam ,
papraccha pitaraṃ bhaktyā kṛṣṇadvaipāyanaṃ munim 13

13. ekadā saḥ amala-prajñaḥ merau ekānta-susthitam
papraccha pitaram bhaktyā kṛṣṇa-dvaipāyanam munim

13. ekadā saḥ amala-prajñaḥ merau ekānta-susthitam
pitaram kṛṣṇa-dvaipāyanam munim bhaktyā papraccha

13. Once, that pure-intellected (amala-prajña) Śuka reverently (bhakti) asked his father, the sage Kṛṣṇa Dvaipāyana (Vyāsa), who was calmly seated in solitude on Mount Meru.

Words meanings summery:

• एकदा (ekadā) - once, at one time

• सः (saḥ) - He (referring to Śuka) (he, that)

• अमल-प्रज्ञः (amala-prajñaḥ) - whose intellect is pure, pure-minded, pure-intellected

• मेरौ (merau) - on Meru, on Mount Meru

• एकान्त-सुस्थितम् (ekānta-susthitam) - well-situated in solitude, calmly seated in a secluded place

• पप्रच्छ (papraccha) - asked, questioned

• पितरम् (pitaram) - father

• भक्त्या (bhaktyā) - with devotion, by devotion, through devotion

• कृष्ण-द्वैपायनम् (kṛṣṇa-dvaipāyanam) - The sage Vyāsa, also known as Krishna Dvaipayana (Krishna Dvaipayana (Vyasa))

• मुनिम् (munim) - sage, ascetic, hermit

Words meanings and morphology

एकदा (ekadā) - once, at one time

(indeclinable)

सः (saḥ) - He (referring to Śuka) (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

अमल-प्रज्ञः (amala-prajñaḥ) - whose intellect is pure, pure-minded, pure-intellected

(adjective)

Nominative, masculine, singular of amala-prajña

amala-prajña - pure-intellected, pure-minded

Compound type : bahuvrihi (amala+prajñā)

• amala – pure, spotless, clean, free from dirt
  adjective (masculine)
  From a (negation) + mala (dirt/impurity)
• prajñā – intellect, wisdom, understanding, discernment
  noun (feminine)
  From pra-jñā (to know well)
  Prefix: pra
  Root: jñā (class 9)

मेरौ (merau) - on Meru, on Mount Meru

(proper noun)

Locative, masculine, singular of meru

meru - Mount Meru (mythical mountain), summit, spine

एकान्त-सुस्थितम् (ekānta-susthitam) - well-situated in solitude, calmly seated in a secluded place

(adjective)

Accusative, masculine, singular of ekānta-susthita

ekānta-susthita - well-situated in solitude, calmly seated in a secluded place

Compound type : tatpurusha (ekānta+susthita)

• ekānta – solitude, secluded place, exclusively, absolutely
  noun (masculine)
  eka (one) + anta (end, vicinity) -> secluded, solitary
• susthita – well-situated, well-established, firm, good condition
  adjective (masculine)
  Past Passive Participle
  Formed from su (good, well) + sthita (past passive participle of sthā, to stand)
  Prefix: su
  Root: sthā (class 1)

Note: Agrees with pitaram

पप्रच्छ (papraccha) - asked, questioned

(verb)

3rd person , singular, active, perfect (lit) of papraccha

Perfect Active

Reduplicated perfect, 3rd person singular

Root: prach (class 6)

पितरम् (pitaram) - father

(noun)

Accusative, masculine, singular of pitṛ

pitṛ - father

भक्त्या (bhaktyā) - with devotion, by devotion, through devotion

(noun)

Instrumental, feminine, singular of bhakti

bhakti - devotion, attachment, faithfulness

From root bhaj (to worship, divide)

Root: bhaj (class 1)

कृष्ण-द्वैपायनम् (kṛṣṇa-dvaipāyanam) - The sage Vyāsa, also known as Krishna Dvaipayana (Krishna Dvaipayana (Vyasa))

(proper noun)

Accusative, masculine, singular of kṛṣṇa-dvaipāyana

kṛṣṇa-dvaipāyana - Krishna Dvaipayana (a name of Vyasa)

Compound type : karmadharaya (kṛṣṇa+dvaipāyana)

• kṛṣṇa – dark, black, Krishna (name of a deity or person)
  adjective (masculine)
• dvaipāyana – island-born, a patronymic of Vyasa
  noun (masculine)
  From dvīpa (island)

मुनिम् (munim) - sage, ascetic, hermit

(noun)

Accusative, masculine, singular of muni

muni - sage, ascetic, hermit, inspired one