योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-92, verse-22

अन्धकूपस्थितेनापि मानसैर्यज्ञसंचयैः ।
ऋषिणा दीर्घतपसा संप्राप्तं वैबुधं पदम् ॥ २२ ॥

andhakūpasthitenāpi mānasairyajñasaṃcayaiḥ ,
ṛṣiṇā dīrghatapasā saṃprāptaṃ vaibudhaṃ padam 22

22. andhakūpasthitena api mānasaiḥ yajñasaṃcayaiḥ
ṛṣiṇā dīrghatapasā saṃprāptaṃ vaibudhaṃ padam

22. dīrghatapasā ṛṣiṇā andhakūpasthitena api mānasaiḥ
yajñasaṃcayaiḥ vaibudhaṃ padam saṃprāptam

22. Even a sage (ṛṣi) who practiced prolonged austerities (tapas), though confined to a dark well, attained a divine state (pada) through mental performance of many ritual Vedic rituals (yajña).

Words meanings summery:

• अन्धकूपस्थितेन (andhakūpasthitena) - by one situated in a dark well/pit

• अपि (api) - even, despite (the condition) (even, also, too)

• मानसैः (mānasaiḥ) - by mental (acts), by those born of the mind

• यज्ञसंचयैः (yajñasaṁcayaiḥ) - by accumulations of sacrifices (yajña)

• ऋषिणा (ṛṣiṇā) - by the sage

• दीर्घतपसा (dīrghatapasā) - by one with long austerities (tapas)

• संप्राप्तं (saṁprāptaṁ) - attained, achieved

• वैबुधं (vaibudhaṁ) - divine, relating to gods

• पदम् (padam) - state, position, rank (state, position, abode, foot)

Words meanings and morphology

अन्धकूपस्थितेन (andhakūpasthitena) - by one situated in a dark well/pit

(adjective)

Instrumental, masculine, singular of andhakūpasthita

andhakūpasthita - situated in a dark well/pit

Past Passive Participle

Compound 'andhakūpa' (dark well) + 'sthita' (P.P.P. of sthā 'to stand').

Compound type : Bahuvrīhi (andha+kūpa+sthita)

• andha – blind, dark, obscure
  adjective (masculine/neuter)
• kūpa – well, pit, hole
  noun (masculine)
• sthita – stood, situated, remaining
  adjective (masculine/neuter)
  Past Passive Participle
  From root 'sthā' (to stand).
  Root: sthā (class 1)

Note: Qualifies 'ṛṣiṇā'.

अपि (api) - even, despite (the condition) (even, also, too)

(indeclinable)

Note: Expresses emphasis or concession.

मानसैः (mānasaiḥ) - by mental (acts), by those born of the mind

(adjective)

Instrumental, masculine, plural of mānasa

mānasa - mental, spiritual, relating to the mind (manas)

Derived from 'manas' (mind).

Root: man (class 4)

Note: Agrees with 'yajñasaṃcayaiḥ'.

यज्ञसंचयैः (yajñasaṁcayaiḥ) - by accumulations of sacrifices (yajña)

(noun)

Instrumental, masculine, plural of yajñasaṃcaya

yajñasaṁcaya - accumulation of sacrifices (yajña)

Compound of 'yajña' (sacrifice) and 'saṃcaya' (accumulation).

Compound type : Tatpuruṣa (yajña+saṃcaya)

• yajña – sacrifice, ritual (yajña)
  noun (masculine)
  From root 'yaj' (to sacrifice).
  Root: yaj (class 1)
• saṃcaya – accumulation, collection, heap
  noun (masculine)
  From 'sam-ci' (to heap together, collect), nominal derivation.
  Prefix: sam
  Root: ci (class 5)

Note: Specifies the means of attainment.

ऋषिणा (ṛṣiṇā) - by the sage

(noun)

Instrumental, masculine, singular of ṛṣi

ṛṣi - sage, seer, inspired poet (ṛṣi)

Note: The agent of the action 'saṃprāptaṃ'.

दीर्घतपसा (dīrghatapasā) - by one with long austerities (tapas)

(adjective)

Instrumental, masculine, singular of dīrghatapas

dīrghatapas - having long austerities (tapas)

Compound 'dīrgha' (long) + 'tapas' (austerity).

Compound type : Bahuvrīhi (dīrgha+tapas)

• dīrgha – long, extensive
  adjective (masculine/feminine/neuter)
• tapas – austerity, penance, heat (tapas)
  noun (neuter)
  From root 'tap' (to heat, suffer penance).
  Root: tap (class 1)

Note: Qualifies 'ṛṣiṇā'.

संप्राप्तं (saṁprāptaṁ) - attained, achieved

(adjective)

Nominative, neuter, singular of saṃprāpta

saṁprāpta - attained, reached, achieved

Past Passive Participle

From root 'āp' (to obtain) with prefixes 'sam' and 'pra'.

Prefixes: sam+pra

Root: āp (class 5)

Note: Modifies 'padam'. The implied verb 'was' makes it a complete sentence.

वैबुधं (vaibudhaṁ) - divine, relating to gods

(adjective)

Nominative, neuter, singular of vaibudha

vaibudha - divine, celestial, relating to gods (vibudha)

Derived from 'vibudha' (god) with 'aṇ' suffix.

Note: Qualifies 'padam'.

पदम् (padam) - state, position, rank (state, position, abode, foot)

(noun)

Nominative, neuter, singular of pada

pada - step, foot, mark, sign, state, position, abode, rank

From root 'pad' (to go, fall).

Root: pad (class 4)

Note: The object being attained, subject of the passive 'saṃprāptaṃ'.