योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-11, verse-63

शैलसागरसार्थोऽहं ब्रह्मैकत्वं किल स्थितम् ।
आदानदानसंकोचपूर्विका भूतशक्तयः ॥ ६३ ॥

śailasāgarasārtho'haṃ brahmaikatvaṃ kila sthitam ,
ādānadānasaṃkocapūrvikā bhūtaśaktayaḥ 63

63. śailasāgarasārthaḥ aham brahmaikatvam kila
sthitam ādānadānasaṃkocapūrvikāḥ bhūtaśaktayaḥ

63. aham śailasāgarasārthaḥ brahmaikatvam kila
sthitam bhūtaśaktayaḥ ādānadānasaṃkocapūrvikāḥ

63. I am the multitude of mountains and oceans. Indeed, the oneness with the ultimate reality (brahman) is established. The powers of beings (bhūta-śakti) are rooted in (or preceded by) the processes of taking, giving, and contraction.

Words meanings summery:

• शैलसागरसार्थः (śailasāgarasārthaḥ) - multitude/company of mountains and oceans

• अहम् (aham) - I, myself

• ब्रह्मैकत्वम् (brahmaikatvam) - oneness with brahman, Brahman's unity

• किल (kila) - indeed, certainly, assuredly, even

• स्थितम् (sthitam) - established (established, situated, present, firm)

• आदानदानसंकोचपूर्विकाः (ādānadānasaṁkocapūrvikāḥ) - preceded by taking, giving, and contraction

• भूतशक्तयः (bhūtaśaktayaḥ) - fundamental powers of beings (powers of beings/elements, elemental powers)

Words meanings and morphology

शैलसागरसार्थः (śailasāgarasārthaḥ) - multitude/company of mountains and oceans

(noun)

Nominative, masculine, singular of śailasāgarasārtha

śailasāgarasārtha - multitude/company of mountains and oceans

Tatpurusha compound: śaila (mountain) + sāgara (ocean) + sārtha (multitude)

Compound type : tatpurusha (śaila+sāgara+sārtha)

• śaila – mountain, rock
  noun (masculine)
  Root: śī
• sāgara – ocean, sea
  noun (masculine)
• sārtha – multitude, company, caravan, host
  noun (masculine)
  Root: sṛ (class 1)

अहम् (aham) - I, myself

(pronoun)

Nominative, singular of asmad

asmad - I, myself

ब्रह्मैकत्वम् (brahmaikatvam) - oneness with brahman, Brahman's unity

(noun)

Nominative, neuter, singular of brahmaikatva

brahmaikatva - oneness with brahman, Brahman's unity

Tatpurusha compound: brahma (Brahman) + ekatva (oneness)

Compound type : tatpurusha (brahman+ekatva)

• brahman – ultimate reality, absolute
  noun (neuter)
  Root: bṛh (class 1)
• ekatva – oneness, unity, identity
  noun (neuter)
  Derived from eka (one) + tva (suffix for abstract noun)

किल (kila) - indeed, certainly, assuredly, even

(indeclinable)

स्थितम् (sthitam) - established (established, situated, present, firm)

(adjective)

Nominative, neuter, singular of sthita

sthita - established, situated, standing, existing

Past Passive Participle

Derived from root sthā

Root: sthā (class 1)

Note: Agrees with brahmaikatvam

आदानदानसंकोचपूर्विकाः (ādānadānasaṁkocapūrvikāḥ) - preceded by taking, giving, and contraction

(adjective)

Nominative, feminine, plural of ādānadānasaṃkocapūrvika

ādānadānasaṁkocapūrvika - preceded by taking, giving, and contraction

Bahuvrihi compound: 'ādāna' (taking) + 'dāna' (giving) + 'saṃkoca' (contraction) + 'pūrvika' (preceded by)

Compound type : bahuvrihi (ādāna+dāna+saṃkoca+pūrvika)

• ādāna – taking, grasping, reception
  noun (neuter)
  Derived from ā + dā
  Prefix: ā
  Root: dā (class 3)
• dāna – giving, granting, donation
  noun (neuter)
  Derived from dā
  Root: dā (class 3)
• saṃkoca – contraction, shrinking, drawing together
  noun (masculine)
  Derived from sam + kuc
  Prefix: sam
  Root: kuc (class 1)
• pūrvika – preceded by, based on, having as a cause
  adjective (masculine)
  Suffix -ika added to pūrva (former, prior)

Note: Agrees with bhūtaśaktayaḥ

भूतशक्तयः (bhūtaśaktayaḥ) - fundamental powers of beings (powers of beings/elements, elemental powers)

(noun)

Nominative, feminine, plural of bhūtaśakti

bhūtaśakti - powers of beings/elements, elemental powers

Tatpurusha compound: bhūta (being/element) + śakti (power)

Compound type : tatpurusha (bhūta+śakti)

• bhūta – being, creature, element, past
  noun (neuter)
  Past Passive Participle
  Derived from root bhū
  Root: bhū (class 1)
• śakti – power, energy, ability, divine feminine energy
  noun (feminine)
  Derived from root śak
  Root: śak (class 5)