योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-23, verse-6

अक्षुब्धस्वानिलालोकजलभूशान्तिशालिनीम् ।
ततां शून्यां महारम्भां ब्रह्मसत्तामिवामलाम् ॥ ६ ॥

akṣubdhasvānilālokajalabhūśāntiśālinīm ,
tatāṃ śūnyāṃ mahārambhāṃ brahmasattāmivāmalām 6

6. akṣubdhasvānilaālokajalabhūśāntiśālinīm tatām
śūnyām mahārambhām brahmasattām iva amalām

6. akṣubdhasvānilaālokajalabhūśāntiśālinīm tatām
śūnyām mahārambhām amalām brahmasattām iva

6. It possessed the undisturbed tranquility of its own wind, light, water, and earth; it was vast, desolate, of immense scale, and pure like the reality of Brahman (brahman) itself.

Words meanings summery:

• अक्षुब्धस्वानिलआलोकजलभूशान्तिशालिनीम् (akṣubdhasvānilaālokajalabhūśāntiśālinīm) - possessing the tranquility of its undisturbed natural elements (wind, light, water, earth)

• तताम् (tatām) - spread out, extended, vast

• शून्याम् (śūnyām) - empty, desolate, void

• महारम्भाम् (mahārambhām) - 'of immense scale' or 'vast in extent', describing the forest. (of great beginning/scale, immense extent)

• ब्रह्मसत्ताम् (brahmasattām) - the reality of Brahman (brahman), the existence of Brahman

• इव (iva) - like, as, as if

• अमलाम् (amalām) - pure, spotless, unblemished

Words meanings and morphology

अक्षुब्धस्वानिलआलोकजलभूशान्तिशालिनीम् (akṣubdhasvānilaālokajalabhūśāntiśālinīm) - possessing the tranquility of its undisturbed natural elements (wind, light, water, earth)

(adjective)

Accusative, feminine, singular of akṣubdhasvānilaālokajalabhūśāntiśālinī

akṣubdhasvānilaālokajalabhūśāntiśālinī - possessing the tranquility of its own undisturbed wind, light, water, and earth

Compound type : bahuvrīhi (a+kṣubdha+sva+anila+āloka+jala+bhū+śānti+śālinī)

• a – not, un-
  indeclinable
  Negation prefix
• kṣubdha – agitated, disturbed
  adjective (masculine)
  Past Passive Participle
  Derived from root kṣubh (to tremble, disturb).
  Root: kṣubh (class 1)
• sva – own, self
  pronoun (masculine)
• anila – wind, air
  noun (masculine)
• āloka – light, sight
  noun (masculine)
• jala – water
  noun (neuter)
• bhū – earth, ground
  noun (feminine)
• śānti – peace, tranquility, calm
  noun (feminine)
• śālinī – possessing, endowed with, characterized by
  adjective (feminine)
  Derived from śāla (house, enclosing wall) and suffix -inī (feminine form of -in, possessing).

तताम् (tatām) - spread out, extended, vast

(adjective)

Accusative, feminine, singular of tata

tata - stretched, spread, vast, extended

Past Passive Participle

Derived from root tan (to stretch, extend).

Root: tan (class 8)

शून्याम् (śūnyām) - empty, desolate, void

(adjective)

Accusative, feminine, singular of śūnya

śūnya - empty, void, desolate, vacant

महारम्भाम् (mahārambhām) - 'of immense scale' or 'vast in extent', describing the forest. (of great beginning/scale, immense extent)

(adjective)

Accusative, feminine, singular of mahārambhā

mahārambhā - having a great beginning, of immense scale/extent, requiring great effort

Compound type : karmadhāraya (mahā+ārambha)

• mahā – great, large
  adjective (feminine)
• ārambha – beginning, undertaking, enterprise
  noun (masculine)
  From root rabh (to seize) with prefix ā (towards)
  Prefix: ā
  Root: rabh (class 1)

ब्रह्मसत्ताम् (brahmasattām) - the reality of Brahman (brahman), the existence of Brahman

(noun)

Accusative, feminine, singular of brahmasattā

brahmasattā - the reality of Brahman (brahman), the existence of Brahman (brahman), Brahman's being

Compound type : tatpuruṣa (brahman+sattā)

• brahman – the Absolute Reality, the ultimate truth, the supreme cosmic spirit (brahman)
  noun (neuter)
• sattā – existence, reality, being
  noun (feminine)
  From root as (to be)
  Root: as (class 2)

इव (iva) - like, as, as if

(indeclinable)

अमलाम् (amalām) - pure, spotless, unblemished

(adjective)

Accusative, feminine, singular of amala

amala - pure, spotless, clean, unblemished

Formed by negation (a-) of mala (dirt, impurity).

Compound type : nañ-tatpuruṣa (a+mala)

• a – not, un-
  indeclinable
  Negation prefix
• mala – dirt, impurity, stain
  noun (masculine)