योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-11, verse-50

नानातां स्वयमादत्ते नानाकारविहारतः ।
आत्मैवात्मन्यात्मनैव समुद्राम्भ इवाम्भसि ॥ ५० ॥

nānātāṃ svayamādatte nānākāravihārataḥ ,
ātmaivātmanyātmanaiva samudrāmbha ivāmbhasi 50

50. nānātām svayam ādatte nānākāravihārataḥ ātma
eva ātmani ātmanā eva samudrāmbhaḥ iva ambhasi

50. ātma eva svayam ātmani ātmanā eva nānākāravihārataḥ nānātām ādatte samudrāmbhaḥ iva ambhasi.

50. The self (ātman) alone, within itself and by its own power, takes on diversity through the sportive display of various forms, just as the ocean's water (manifests as waves) within water itself.

Words meanings summery:

• नानाताम् (nānātām) - manifoldness, diversity (diversity, manifoldness, variety)

• स्वयम् (svayam) - by itself, spontaneously (by oneself, personally, automatically)

• आदत्ते (ādatte) - takes on, assumes (takes, assumes, grasps, accepts)

• नानाकारविहारतः (nānākāravihārataḥ) - through the sportive display of various forms (by the sport/play of various forms, through diverse activities)

• आत्म (ātma) - the self (ātman) (self, soul, supreme self (ātman))

• एव (eva) - itself, alone (indeed, certainly, only)

• आत्मनि (ātmani) - within itself (in the self, in oneself)

• आत्मना (ātmanā) - by its own power (by the self, by oneself)

• एव (eva) - itself (indeed, certainly, only)

• समुद्राम्भः (samudrāmbhaḥ) - ocean water

• इव (iva) - just as (like, as, as if)

• अम्भसि (ambhasi) - within water (itself) (in water)

Words meanings and morphology

नानाताम् (nānātām) - manifoldness, diversity (diversity, manifoldness, variety)

(noun)

Accusative, feminine, singular of nānātā

nānātā - diversity, manifoldness, variety

From nānā (various) + suffix tā (abstract noun).

Note: Object of ādatte.

स्वयम् (svayam) - by itself, spontaneously (by oneself, personally, automatically)

(indeclinable)

Adverbial form of sva.

आदत्ते (ādatte) - takes on, assumes (takes, assumes, grasps, accepts)

(verb)

3rd person , singular, ātmanepada, present (laṭ) of ādad

present active

Prefix: ā

Root: dā (class 3)

Note: Subject is ātma.

नानाकारविहारतः (nānākāravihārataḥ) - through the sportive display of various forms (by the sport/play of various forms, through diverse activities)

(noun)

Ablative, masculine, singular of nānākāravihāra

nānākāravihāra - sportive display of various forms, play of diverse shapes

Compound of nānākāra (various forms) and vihāra (sport, play).

Compound type : ṣaṣṭhī-tatpuruṣa (nānākāra+vihāra)

• nānākāra – having various forms, multiform
  adjective (masculine)
  Compound of nānā (various) and ākāra (form).
• vihāra – sport, play, recreation, wandering, activity
  noun (masculine)
  From vi (apart) + root hṛ (to take, carry).
  Prefix: vi
  Root: hṛ (class 1)

Note: The suffix taḥ functions to create an ablative or adverbial meaning 'by means of'.

आत्म (ātma) - the self (ātman) (self, soul, supreme self (ātman))

(noun)

Nominative, masculine, singular of ātman

ātman - self, soul, spirit, individual self, supreme self (ātman)

Root: an (class 2)

Note: Subject of the sentence.

एव (eva) - itself, alone (indeed, certainly, only)

(indeclinable)

Note: Emphasizes ātma.

आत्मनि (ātmani) - within itself (in the self, in oneself)

(noun)

Locative, masculine, singular of ātman

ātman - self, soul, spirit, individual self, supreme self (ātman)

Root: an (class 2)

Note: Indicates the location where the action occurs.

आत्मना (ātmanā) - by its own power (by the self, by oneself)

(noun)

Instrumental, masculine, singular of ātman

ātman - self, soul, spirit, individual self, supreme self (ātman)

Root: an (class 2)

Note: Indicates the agent or means of action.

एव (eva) - itself (indeed, certainly, only)

(indeclinable)

Note: Emphasizes ātmanā.

समुद्राम्भः (samudrāmbhaḥ) - ocean water

(noun)

Nominative, neuter, singular of samudrāmbhas

samudrāmbhas - ocean water

Compound of samudra (ocean) and ambhas (water).

Compound type : ṣaṣṭhī-tatpuruṣa (samudra+ambhas)

• samudra – ocean, sea
  noun (masculine)
  sam (together) + ud (up) + root rā (to give) or root dru (to run).
  Prefixes: sam+ud
  Root: dru (class 1)
• ambhas – water, fluid
  noun (neuter)
  From root abh (to sound).
  Root: abh (class 1)

Note: Part of the simile.

इव (iva) - just as (like, as, as if)

(indeclinable)

Particle of comparison.

Note: Particle of comparison.

अम्भसि (ambhasi) - within water (itself) (in water)

(noun)

Locative, neuter, singular of ambhas

ambhas - water, fluid

From root abh (to sound).

Root: abh (class 1)

Note: Refers to the medium in which the ocean water (i.e., waves) manifests.