योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-69, verse-7

श्रीराम उवाच ।
कपालमालाभरणो भस्मशाली दिगम्बरः ।
श्मशाननिलयो ब्रह्मन्कामुकश्च किमीश्वरः ॥ ७ ॥

śrīrāma uvāca ,
kapālamālābharaṇo bhasmaśālī digambaraḥ ,
śmaśānanilayo brahmankāmukaśca kimīśvaraḥ 7

7. śrī-rāmaḥ uvāca | kapāla-mālā-ābharaṇaḥ bhasma-śālī dig-ambaraḥ
| śmaśāna-nilayaḥ brahman kāmukaḥ ca kim īśvaraḥ || 7 ||

7. śrī-rāmaḥ uvāca brahman kapāla-mālā-ābharaṇaḥ bhasma-śālī
dig-ambaraḥ śmaśāna-nilayaḥ ca kāmukaḥ kim īśvaraḥ 7

7. Śrī Rāma said: O Brahmin, how can one who is adorned with a garland of skulls, smeared with ashes, naked, dwells in cremation grounds, and is also lustful — how can such a one be the Lord (Īśvara)?

Words meanings summery:

• श्री-रामः (śrī-rāmaḥ) - Śrī Rāma

• उवाच (uvāca) - said, spoke

• कपाल-माला-आभरणः (kapāla-mālā-ābharaṇaḥ) - adorned with a garland of skulls (referring to Shiva) (adorned with a garland of skulls)

• भस्म-शाली (bhasma-śālī) - smeared with ashes (referring to Shiva) (smeared with ashes; possessing ashes)

• दिग्-अम्बरः (dig-ambaraḥ) - sky-clad, naked (referring to Shiva) (sky-clad, naked)

• श्मशान-निलयः (śmaśāna-nilayaḥ) - residing in cremation grounds (referring to Shiva) (residing in cremation grounds; dwelling in cemeteries)

• ब्रह्मन् (brahman) - O Brahmin (addressing Vasiṣṭha) (O Brahmin)

• कामुकः (kāmukaḥ) - desirous, lustful (referring to Shiva) (desirous, lustful, passionate)

• च (ca) - and, also

• किम् (kim) - interrogative particle, implying 'how can...?' (what? (interrogative particle))

• ईश्वरः (īśvaraḥ) - the Lord (Īśvara, referring to Shiva) (the Lord, the supreme ruler, Shiva)

Words meanings and morphology

श्री-रामः (śrī-rāmaḥ) - Śrī Rāma

(proper noun)

Nominative, masculine, singular of śrī-rāma

śrī-rāma - the revered Rāma; illustrious Rāma

Compound type : karmadhāraya (śrī+rāma)

• śrī – splendor, prosperity, glory, beauty, revered
  adjective (feminine)
• rāma – Rāma (name of a Hindu deity, hero of the Rāmāyaṇa)
  proper noun (masculine)

उवाच (uvāca) - said, spoke

(verb)

3rd person , singular, active, past perfect (liṭ) of vac

perfect active

3rd person singular perfect active

Root: vac (class 2)

कपाल-माला-आभरणः (kapāla-mālā-ābharaṇaḥ) - adorned with a garland of skulls (referring to Shiva) (adorned with a garland of skulls)

(adjective)

Nominative, masculine, singular of kapāla-mālā-ābharaṇa

kapāla-mālā-ābharaṇa - one who has a garland of skulls as an ornament

Compound type : bahuvrīhi (kapāla+mālā+ābharaṇa)

• kapāla – skull, begging bowl, potsherd
  noun (neuter)
• mālā – garland, rosary, string
  noun (feminine)
• ābharaṇa – ornament, decoration
  noun (neuter)
  From root bhṛ (to bear) with prefix ā
  Prefix: ā
  Root: bhṛ (class 1)

Note: Qualifies the implied subject (Īśvara/Shiva).

भस्म-शाली (bhasma-śālī) - smeared with ashes (referring to Shiva) (smeared with ashes; possessing ashes)

(adjective)

Nominative, masculine, singular of bhasma-śālin

bhasma-śālin - one who possesses or is adorned with ashes

From bhasma (ashes) + śālin (possessing)

Compound type : tatpuruṣa (bhasma+śālin)

• bhasma – ashes
  noun (neuter)
• śālin – possessing, endowed with, characterized by
  adjective (masculine)
  Suffix -śālin

Note: Qualifies the implied subject (Īśvara/Shiva).

दिग्-अम्बरः (dig-ambaraḥ) - sky-clad, naked (referring to Shiva) (sky-clad, naked)

(adjective)

Nominative, masculine, singular of dig-ambara

dig-ambara - sky-clad, naked

Compound type : bahuvrīhi (diś+ambara)

• diś – direction, quarter of the sky
  noun (feminine)
• ambara – garment, sky, atmosphere
  noun (neuter)

Note: Qualifies the implied subject (Īśvara/Shiva).

श्मशान-निलयः (śmaśāna-nilayaḥ) - residing in cremation grounds (referring to Shiva) (residing in cremation grounds; dwelling in cemeteries)

(adjective)

Nominative, masculine, singular of śmaśāna-nilaya

śmaśāna-nilaya - one whose dwelling is a cremation ground

Compound type : tatpuruṣa (śmaśāna+nilaya)

• śmaśāna – cremation ground, cemetery
  noun (neuter)
• nilaya – abode, dwelling, residence
  noun (masculine)
  From root lī (to cling, to dissolve) with prefix ni
  Prefix: ni
  Root: lī (class 4)

Note: Qualifies the implied subject (Īśvara/Shiva).

ब्रह्मन् (brahman) - O Brahmin (addressing Vasiṣṭha) (O Brahmin)

(noun)

Vocative, masculine, singular of brahman

brahman - a brahmin (member of the priestly class), one who knows (brahman)

Note: Addressed to Vasiṣṭha.

कामुकः (kāmukaḥ) - desirous, lustful (referring to Shiva) (desirous, lustful, passionate)

(adjective)

Nominative, masculine, singular of kāmuka

kāmuka - desirous, lustful, passionate, given to desire

Derived from kāma (desire) with suffix -uka

Root: kam (class 1)

Note: Qualifies the implied subject (Īśvara/Shiva).

च (ca) - and, also

(indeclinable)

Note: Connects 'kāmukaḥ' to the preceding descriptions.

किम् (kim) - interrogative particle, implying 'how can...?' (what? (interrogative particle))

(indeclinable)

Note: Forms the question.

ईश्वरः (īśvaraḥ) - the Lord (Īśvara, referring to Shiva) (the Lord, the supreme ruler, Shiva)

(noun)

Nominative, masculine, singular of īśvara

īśvara - master, lord, ruler, Shiva, the supreme being

From root īś (to be master of)

Root: īś (class 2)

Note: The subject of the question.