योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-43, verse-30

अप्राप्तात्मविवेकोऽन्तरज्ञचित्तवशीकृतः ।
शंखचक्रगदापाणिमर्चयेत्परमेश्वरम् ॥ ३० ॥

aprāptātmaviveko'ntarajñacittavaśīkṛtaḥ ,
śaṃkhacakragadāpāṇimarcayetparameśvaram 30

30. aprāptātmavivekaḥ antarajñacittavaśīkṛtaḥ
śaṅkhacakragadāpāṇim arcayet parameśvaram

30. aprāptātmavivekaḥ antarajñacittavaśīkṛtaḥ
śaṅkhacakragadāpāṇim parameśvaram arcayet

30. One who has not achieved discrimination of the self (ātman), [but] whose mind is controlled by inner knowers, should worship the Supreme Lord (īśvara) who holds the conch, discus, and mace in his hands.

Words meanings summery:

• अप्राप्तात्मविवेकः (aprāptātmavivekaḥ) - one who has not attained discrimination of the self (ātman)

• अन्तरज्ञचित्तवशीकृतः (antarajñacittavaśīkṛtaḥ) - whose mind is controlled by inner knowers

• शङ्खचक्रगदापाणिम् (śaṅkhacakragadāpāṇim) - describing Lord Vishnu (holding conch, discus, and mace in hand)

• अर्चयेत् (arcayet) - one should worship

• परमेश्वरम् (parameśvaram) - the Supreme Lord (īśvara)

Words meanings and morphology

अप्राप्तात्मविवेकः (aprāptātmavivekaḥ) - one who has not attained discrimination of the self (ātman)

(adjective)

Nominative, masculine, singular of aprāptātmaviveka

aprāptātmaviveka - one who has not attained self-discrimination

Compound type : bahuvrīhi (aprāpta+ātma-viveka)

• aprāpta – not obtained, not attained
  adjective (masculine/neuter/feminine)
• ātma-viveka – discrimination of the self
  noun (masculine)

अन्तरज्ञचित्तवशीकृतः (antarajñacittavaśīkṛtaḥ) - whose mind is controlled by inner knowers

(adjective)

Nominative, masculine, singular of antarajñacittavaśīkṛta

antarajñacittavaśīkṛta - one whose mind is controlled by inner knowers

Compound type : bahuvrīhi (antarajña+cittavaśīkṛta)

• antarajña – inner knower, one who knows the inner self
  noun (masculine)
• cittavaśīkṛta – whose mind is controlled/subdued
  adjective (masculine/neuter/feminine)

शङ्खचक्रगदापाणिम् (śaṅkhacakragadāpāṇim) - describing Lord Vishnu (holding conch, discus, and mace in hand)

(adjective)

Accusative, masculine, singular of śaṅkhacakragadāpāṇi

śaṅkhacakragadāpāṇi - one who has conch, discus, and mace in hand

Compound type : bahuvrīhi (śaṅkha+cakra+gadā+pāṇi)

• śaṅkha – conch, conch-shell
  noun (masculine)
• cakra – discus, wheel
  noun (neuter)
• gadā – mace, club
  noun (feminine)
• pāṇi – hand
  noun (masculine)

अर्चयेत् (arcayet) - one should worship

(verb)

3rd person , singular, active, optative (vidhiliṅ) of arc

Root: arc (class 1)

परमेश्वरम् (parameśvaram) - the Supreme Lord (īśvara)

(noun)

Accusative, masculine, singular of parameśvara

parameśvara - Supreme Lord

Compound type : karmadhāraya (parama+īśvara)

• parama – supreme, highest, excellent
  adjective (masculine/neuter/feminine)
• īśvara – lord, master, ruler, Supreme Being
  noun (masculine)