योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-28, verse-31

उत्फाललहरीश्रान्तसीकरास्वादनाकुलैः ।
नद्यामुडुपरावर्तवृत्तिभिर्विहगैर्वृतम् ॥ ३१ ॥

utphālalaharīśrāntasīkarāsvādanākulaiḥ ,
nadyāmuḍuparāvartavṛttibhirvihagairvṛtam 31

31. utphālalaharīśrāntasīkarāsvādanākulaiḥ nadyām
uḍupaparāvartavṛttibhiḥ vihagaiḥ vṛtam

31. (tat) nadyām utphālalaharīśrāntasīkarāsvādanākulaiḥ
uḍupaparāvartavṛttibhiḥ vihagaiḥ vṛtam (abhavat)

31. It was encompassed by birds in the river, which were restless from tasting the spent spray from vigorous, leaping waves, and which moved with the manner of turning boats.

Words meanings summery:

• उत्फाललहरीश्रान्तसीकरास्वादनाकुलैः (utphālalaharīśrāntasīkarāsvādanākulaiḥ) - by birds restless from tasting the spent spray from vigorous, leaping waves (by those restless from tasting the spent spray from leaping waves)

• नद्याम् (nadyām) - in the river

• उडुपपरावर्तवृत्तिभिः (uḍupaparāvartavṛttibhiḥ) - by birds that moved with the manner of turning boats (by those whose movements are like the turning of a boat)

• विहगैः (vihagaiḥ) - by birds

• वृतम् (vṛtam) - encompassed (referring to the place) (surrounded, encompassed)

Words meanings and morphology

उत्फाललहरीश्रान्तसीकरास्वादनाकुलैः (utphālalaharīśrāntasīkarāsvādanākulaiḥ) - by birds restless from tasting the spent spray from vigorous, leaping waves (by those restless from tasting the spent spray from leaping waves)

(adjective)

Instrumental, masculine, plural of utphālalaharīśrāntasīkarāsvādanākula

utphālalaharīśrāntasīkarāsvādanākula - restless from tasting the spent spray from vigorous, leaping waves

Compound type : bahuvrīhi (utphāla+laharī+śrānta+sīkara+āsvādana+ākula)

• utphāla – leaping, jumping up
  noun (masculine)
  From root phal (to burst, leap) with upasarga ut
  Prefix: ut
  Root: phal (class 1)
• laharī – wave, billow
  noun (feminine)
• śrānta – exhausted, weary, spent
  adjective
  past passive participle
  From root śram (to be weary, to strive)
  Root: śram (class 4)
• sīkara – spray, mist, water-drop
  noun (masculine)
• āsvādana – tasting, enjoying, relish
  noun (neuter)
  From root svad (to taste) with upasarga ā
  Prefix: ā
  Root: svad (class 1)
• ākula – agitated, confused, full of, restless
  adjective
  From root kul (to collect, crowd) with upasarga ā
  Prefix: ā
  Root: kul (class 1)

Note: Refers to birds.

नद्याम् (nadyām) - in the river

(noun)

Locative, feminine, singular of nadī

nadī - river

उडुपपरावर्तवृत्तिभिः (uḍupaparāvartavṛttibhiḥ) - by birds that moved with the manner of turning boats (by those whose movements are like the turning of a boat)

(adjective)

Instrumental, masculine, plural of uḍupaparāvartavṛtti

uḍupaparāvartavṛtti - having the habit/manner of turning like a boat

Compound type : bahuvrīhi (uḍupa+parāvarta+vṛtti)

• uḍupa – boat, raft
  noun (masculine)
• parāvarta – turning around, revolving, changing
  noun (masculine)
  From root vṛt (to turn) with upasarga parā
  Prefix: parā
  Root: vṛt (class 1)
• vṛtti – course, manner, conduct, activity
  noun (feminine)
  From root vṛt (to turn, exist)
  Root: vṛt (class 1)

Note: Refers to birds.

विहगैः (vihagaiḥ) - by birds

(noun)

Instrumental, masculine, plural of vihaga

vihaga - bird, one moving in the sky

Compound type : tatpuruṣa (vi+haga)

• vi – apart, asunder (prefix for motion)
  indeclinable
• haga – going, moving
  adjective
  From root gam (to go), often forming compounds like khaga or vihaga
  Root: gam (class 1)

वृतम् (vṛtam) - encompassed (referring to the place) (surrounded, encompassed)

(adjective)

neuter, singular of vṛta

vṛta - surrounded, encompassed, covered, chosen

past passive participle

From root vṛ (to cover, encompass, choose)

Root: vṛ (class 5)

Note: Refers to the environment/place.