योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-129, verse-51

उत्कर्णोन्नयनोद्ग्रीवं क्षणभङ्गावलस्थितैः ।
उत्कर्णनयनोद्ग्रीवैः सभ्यानाकुलयञ्जवैः ॥ ५१ ॥

utkarṇonnayanodgrīvaṃ kṣaṇabhaṅgāvalasthitaiḥ ,
utkarṇanayanodgrīvaiḥ sabhyānākulayañjavaiḥ 51

51. utkarṇonnayanodgrīvam kṣaṇabhaṅgāvalasthitaiḥ
utkarṇanayanodgrīvaiḥ sabhyān ākulayan javaiḥ

51. mṛgaḥ utkarṇonnayanodgrīvam kṣaṇabhaṅgāvalasthitaiḥ
utkarṇanayanodgrīvaiḥ javaiḥ sabhyān ākulayan

51. With its ears pricked, eyes raised, and neck stretched, and through its momentarily shifting stances, it agitated the assembly members with swift movements, which were themselves characterized by pricked-up ears, raised eyes, and an outstretched neck.

Words meanings summery:

• उत्कर्णोन्नयनोद्ग्रीवम् (utkarṇonnayanodgrīvam) - having pricked ears, raised eyes, and an outstretched neck (adverbial)

• क्षणभङ्गावलस्थितैः (kṣaṇabhaṅgāvalasthitaiḥ) - by momentary and fleeting positions; by those situated in momentary changes

• उत्कर्णनयनोद्ग्रीवैः (utkarṇanayanodgrīvaiḥ) - with pricked ears, raised eyes, and outstretched necks

• सभ्यान् (sabhyān) - the assembly members

• आकुलयन् (ākulayan) - agitating, disturbing, making restless

• जवैः (javaiḥ) - by speeds, by swift movements

Words meanings and morphology

उत्कर्णोन्नयनोद्ग्रीवम् (utkarṇonnayanodgrīvam) - having pricked ears, raised eyes, and an outstretched neck (adverbial)

(adjective)

Accusative, neuter, singular of utkarṇonnayanodgrīva

utkarṇonnayanodgrīva - having ears pricked up, eyes raised, and neck stretched

Compound type : Bahuvrihi (utkarṇa+unnayana+udgrīva)

• utkarṇa – with ears pricked up, alert ears
  adjective
• unnayana – raising of the eyes, uplifted eyes
  noun (neuter)
  Prefix: ut
  Root: nī (class 1)
• udgrīva – with neck stretched up
  adjective

Note: Used adverbially to describe the deer's posture.

क्षणभङ्गावलस्थितैः (kṣaṇabhaṅgāvalasthitaiḥ) - by momentary and fleeting positions; by those situated in momentary changes

(adjective)

Instrumental, plural of kṣaṇabhaṅgāvalasthita

kṣaṇabhaṅgāvalasthita - characterized by momentary changes in position; momentarily stationed

Compound type : Tatpurusha (kṣaṇabhaṅga+avalasthita)

• kṣaṇabhaṅga – momentary destruction, fleeting nature, ephemeral
  noun (masculine)
• avalasthita – situated, placed, stationed
  participle
  Past Passive Participle
  Derived from root sthā (to stand) with prefixes ava + la (not standard, likely a mistake in source or variant usage, or avasthita is the base)
  Prefix: ava
  Root: sthā (class 1)

Note: Refers to the deer's movements or postures.

उत्कर्णनयनोद्ग्रीवैः (utkarṇanayanodgrīvaiḥ) - with pricked ears, raised eyes, and outstretched necks

(adjective)

Instrumental, masculine, plural of utkarṇanayanodgrīva

utkarṇanayanodgrīva - having pricked ears, eyes raised, and neck stretched

Compound type : Bahuvrihi (utkarṇa+nayana+udgrīva)

• utkarṇa – with ears pricked up, alert ears
  adjective
• nayana – eye; leading, guiding
  noun (neuter)
  Root: nī (class 1)
• udgrīva – with neck stretched up
  adjective

Note: Adjective modifying 'javaiḥ' (movements).

सभ्यान् (sabhyān) - the assembly members

(noun)

Accusative, masculine, plural of sabhya

sabhya - a member of an assembly, respectable, cultured, worthy of an assembly

आकुलयन् (ākulayan) - agitating, disturbing, making restless

(participle)

Nominative, masculine, singular of ākulayan

ākulayan - causing agitation, disturbing, making restless

Present Active Participle

Derived from the causative root `ākul` (ā + kul), present participle, masculine singular.

Prefix: ā

Root: kul (class 1)

Note: Refers to the deer (implicit subject).

जवैः (javaiḥ) - by speeds, by swift movements

(noun)

Instrumental, masculine, plural of java

java - speed, swiftness, velocity, momentum, quick movement

Root: ju (class 1)