योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-91, verse-26

रसायनह्रदाकारमिन्दुत्वं वदनं दिवः ।
निशानिशाचरीहासं विकासं रजनीविशाम् ॥ २६ ॥

rasāyanahradākāramindutvaṃ vadanaṃ divaḥ ,
niśāniśācarīhāsaṃ vikāsaṃ rajanīviśām 26

26. rasāyanahradākāram indutvam vadanam divaḥ
| niśāniśācarīhāsam vikāsam rajanīviśām ||

26. [aham anubhūtavān] rasāyanahradākāram indutvam,
divaḥ vadanam,
niśāniśācarīhāsam,
rajanīviśām vikāsam [ca].

26. [I experienced] the moon-like nature having the form of a pond of elixir; the face of the sky; the smile of the night-demoness that is the night; and the blooming of the night-dwellers.

Words meanings summery:

• रसायनह्रदाकारम् (rasāyanahradākāram) - having the form of a pond of elixir, elixir-lake-shaped

• इन्दुत्वम् (indutvam) - the state of being the moon, moon-ness

• वदनम् (vadanam) - face, mouth

• दिवः (divaḥ) - of the sky, of heaven

• निशानिशाचरीहासम् (niśāniśācarīhāsam) - the smile of the night-demoness of the night

• विकासम् (vikāsam) - blooming, expansion, manifestation

• रजनीविशाम् (rajanīviśām) - of the night-dwellers, of the inhabitants of the night

Words meanings and morphology

रसायनह्रदाकारम् (rasāyanahradākāram) - having the form of a pond of elixir, elixir-lake-shaped

(adjective)

Accusative, neuter, singular of rasāyanahradākāra

rasāyanahradākāra - having the form of a pond of elixir

Compound type : bahuvrīhi (rasāyana+hrada+ākāra)

• rasāyana – elixir, ambrosia, chemical preparation
  noun (neuter)
• hrada – pond, lake, deep pool
  noun (masculine)
• ākāra – form, appearance, shape
  noun (masculine)

Note: Functions as an adjective modifying 'indutvam'.

इन्दुत्वम् (indutvam) - the state of being the moon, moon-ness

(noun)

Accusative, neuter, singular of indutva

indutva - the quality or state of being the moon

वदनम् (vadanam) - face, mouth

(noun)

Accusative, neuter, singular of vadana

vadana - face, mouth, utterance

दिवः (divaḥ) - of the sky, of heaven

(noun)

Genitive, feminine, singular of div

div - sky, heaven, day

निशानिशाचरीहासम् (niśāniśācarīhāsam) - the smile of the night-demoness of the night

(noun)

Accusative, masculine, singular of niśāniśācarīhāsa

niśāniśācarīhāsa - the smile of the night-demoness of the night, night-demoness-smile of night

Compound type : tatpuruṣa (niśā+niśācarī+hāsa)

• niśā – night
  noun (feminine)
• niśācarī – female night-walker, demoness, ogress
  noun (feminine)
• hāsa – smile, laughter, mirth
  noun (masculine)

विकासम् (vikāsam) - blooming, expansion, manifestation

(noun)

Accusative, masculine, singular of vikāsa

vikāsa - blooming, expansion, development, manifestation

Derived from the root 'kas' (to open, expand) with the prefix 'vi'.

Prefix: vi

Root: kas (class 1)

रजनीविशाम् (rajanīviśām) - of the night-dwellers, of the inhabitants of the night

(noun)

Genitive, feminine, plural of rajanīviś

rajanīviś - night-dweller, inhabitant of the night

Compound type : tatpuruṣa (rajanī+viś)

• rajanī – night
  noun (feminine)
• viś – people, inhabitants, community, clan
  noun (feminine)