योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-38, verse-16

उत्क्षिप्तमन्दरक्षीरसमुद्रवदनाकुलम् ।
सैन्यं प्रशाम्यदावर्तं शनैः साम्यमुपाययौ ॥ १६ ॥

utkṣiptamandarakṣīrasamudravadanākulam ,
sainyaṃ praśāmyadāvartaṃ śanaiḥ sāmyamupāyayau 16

16. utkṣiptamandarakṣīrasamudravat anākulam
sainyam praśāmyadāvartam śanaiḥ sāmyam upāyayau

16. utkṣiptamandarakṣīrasamudravat praśāmyadāvartam
sainyam śanaiḥ anākulam sāmyam upāyayau

16. The army, tumultuous like the ocean of milk churned by Mount Mandara, with its commotions gradually subsiding, slowly attained a state of calmness and stillness.

Words meanings summery:

• उत्क्षिप्तमन्दरक्षीरसमुद्रवत् (utkṣiptamandarakṣīrasamudravat) - turbulent like the agitated ocean of milk during the churning by Mount Mandara (like the ocean of milk churned by Mount Mandara)

• अनाकुलम् (anākulam) - calm, referring to the state attained by the army (unagitated, calm, composed)

• सैन्यम् (sainyam) - the army (of warriors) (army, host)

• प्रशाम्यदावर्तम् (praśāmyadāvartam) - with its (the army's) agitation and confusion gradually subsiding (whose commotions are subsiding, with subsiding eddies/tumult)

• शनैः (śanaiḥ) - slowly, gradually

• साम्यम् (sāmyam) - stillness, quietude (of the army after battle) (equality, equilibrium, stillness, quietude)

• उपाययौ (upāyayau) - attained (a state) (attained, approached, obtained)

Words meanings and morphology

उत्क्षिप्तमन्दरक्षीरसमुद्रवत् (utkṣiptamandarakṣīrasamudravat) - turbulent like the agitated ocean of milk during the churning by Mount Mandara (like the ocean of milk churned by Mount Mandara)

(adjective)

Nominative, neuter, singular of utkṣiptamandarakṣīrasamudravat

utkṣiptamandarakṣīrasamudravat - like the ocean of milk churned by Mount Mandara

Compound type : tatpuruṣa (utkṣipta+mandara+kṣīrasamudra+vat)

• utkṣipta – churned, thrown up, agitated
  participle
  Past Passive Participle
  From root kṣip (to throw) with prefix ud (up).
  Prefix: ud
  Root: kṣip (class 6)
• mandara – Mount Mandara (mythical mountain used as a churning stick)
  proper noun (masculine)
• kṣīrasamudra – ocean of milk
  noun (masculine)
• vat – like, as, resembling
  indeclinable

Note: Adjective modifying sainyam.

अनाकुलम् (anākulam) - calm, referring to the state attained by the army (unagitated, calm, composed)

(adjective)

Accusative, neuter, singular of anākula

anākula - not agitated, calm, composed

Formed with negative prefix an- and ākula.

Compound type : nañ-tatpuruṣa (an+ākula)

• an – not, un-
  indeclinable
  Negative prefix.
• ākula – agitated, confused, disordered
  adjective (masculine)
  From ā-kul (to be agitated).
  Prefix: ā
  Root: kul (class 10)

Note: Adjective agreeing with sainyam, used as an object complementing sāmyam.

सैन्यम् (sainyam) - the army (of warriors) (army, host)

(noun)

Nominative, neuter, singular of sainya

sainya - army, host, military force

Derived from senā (army).

Note: Subject of the sentence.

प्रशाम्यदावर्तम् (praśāmyadāvartam) - with its (the army's) agitation and confusion gradually subsiding (whose commotions are subsiding, with subsiding eddies/tumult)

(adjective)

Nominative, neuter, singular of praśāmyadāvartam

praśāmyadāvartam - having its eddies/commotions subsiding

Compound type : bahuvrīhi (praśāmyat+āvarta)

• praśāmyat – subsiding, calming down
  participle (masculine)
  Present Active Participle
  From root śam (to be calm) with prefix pra.
  Prefix: pra
  Root: śam (class 4)
• āvarta – eddy, whirlpool, commotion, tumult
  noun (masculine)
  From ā-vṛt (to revolve).
  Prefix: ā
  Root: vṛt (class 1)

Note: Adjective modifying sainyam.

शनैः (śanaiḥ) - slowly, gradually

(indeclinable)

Note: Adverb.

साम्यम् (sāmyam) - stillness, quietude (of the army after battle) (equality, equilibrium, stillness, quietude)

(noun)

Accusative, neuter, singular of sāmya

sāmya - equality, sameness, equilibrium, stillness

From sama (equal, same).

Note: Object of upāyayau.

उपाययौ (upāyayau) - attained (a state) (attained, approached, obtained)

(verb)

3rd person , singular, active, perfect (liṭ) of upāyā

Perfect Active

From root yā with prefixes upa and ā.

Prefixes: upa+ā

Root: yā (class 2)