योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-26, verse-2

दैत्याः सागरकुञ्जेभ्यः कन्दरेभ्यश्च सायुधाः ।
उदगुर्भीमनिर्ह्लादाः सपक्षगिरिलीलया ॥ २ ॥

daityāḥ sāgarakuñjebhyaḥ kandarebhyaśca sāyudhāḥ ,
udagurbhīmanirhlādāḥ sapakṣagirilīlayā 2

2. daityāḥ sāgarakuñjebhyaḥ kandarebhyaḥ ca
sāyudhāḥ udaguḥ bhīmanirhrādāḥ sapakṣagirilīlayā

2. sāyudhāḥ bhīmanirhrādāḥ daityāḥ sāgarakuñjebhyaḥ
kandarebhyaḥ ca sapakṣagirilīlayā udaguḥ

2. The demons (daitya), armed with weapons, emerged from the ocean's thickets and from caves, letting out terrifying roars, with the ease and playfulness of winged mountains.

Words meanings summery:

• दैत्याः (daityāḥ) - The demonic beings. (demons, sons of Diti.)

• सागरकुञ्जेभ्यः (sāgarakuñjebhyaḥ) - From the dense, cave-like regions within or near the ocean. (from the thickets/groves/caves of the ocean.)

• कन्दरेभ्यः (kandarebhyaḥ) - From other natural caves or grottoes. (from caves, from grottoes.)

• च (ca) - Connects 'ocean thickets' and 'caves'. (and, also, moreover.)

• सायुधाः (sāyudhāḥ) - The demons carrying weapons. (armed, with weapons.)

• उदगुः (udaguḥ) - The demons rose up from their hiding places. (arose, emerged, went up.)

• भीमनिर्ह्रादाः (bhīmanirhrādāḥ) - The demons making frightful sounds as they emerged. (with terrible roars/sounds.)

• सपक्षगिरिलीलया (sapakṣagirilīlayā) - Describing the swift and effortless emergence of the demons, like mythical winged mountains taking flight. (with the ease/playfulness of winged mountains.)

Words meanings and morphology

दैत्याः (daityāḥ) - The demonic beings. (demons, sons of Diti.)

(noun)

Nominative, masculine, plural of daitya

daitya - a demon, son of Diti.

Derived from Diti (name of a goddess, mother of demons).

Note: Subject of `udaguḥ`.

सागरकुञ्जेभ्यः (sāgarakuñjebhyaḥ) - From the dense, cave-like regions within or near the ocean. (from the thickets/groves/caves of the ocean.)

(noun)

Ablative, masculine, plural of sāgarakuñja

sāgarakuñja - ocean grove/thicket/cave.

Tatpuruṣa compound of `sāgara` (ocean) and `kuñja` (thicket, grove, bower; implies hidden, cave-like places).

Compound type : tatpuruṣa (sāgara+kuñja)

• sāgara – ocean, sea.
  noun (masculine)
  From `sa-gara` (with poison, referring to the poison churned from the ocean).
• kuñja – a bower, an arbor, a grove, a thicket; a cave.
  noun (masculine)
  Root: kuñj (class 1)

Note: Indicates origin or separation.

कन्दरेभ्यः (kandarebhyaḥ) - From other natural caves or grottoes. (from caves, from grottoes.)

(noun)

Ablative, neuter, plural of kandara

kandara - a cave, a grotto, a ravine.

Note: Indicates origin or separation, parallel to `sāgarakuñjebhyaḥ`.

च (ca) - Connects 'ocean thickets' and 'caves'. (and, also, moreover.)

(indeclinable)

Conjunction.

सायुधाः (sāyudhāḥ) - The demons carrying weapons. (armed, with weapons.)

(adjective)

Nominative, masculine, plural of sāyudha

sāyudha - armed, with weapons.

Bahuvrīhi compound: `sa` (with) + `āyudha` (weapon).

Compound type : bahuvrīhi (sa+āyudha)

• sa – with, together with (prefix).
  indeclinable
  Short form of `saha`.
• āyudha – weapon, implement, tool.
  noun (neuter)
  From `ā-yudh` (to fight).
  Prefix: ā
  Root: yudh (class 4)

Note: Agrees with `daityāḥ`.

उदगुः (udaguḥ) - The demons rose up from their hiding places. (arose, emerged, went up.)

(verb)

3rd person , plural, active, aorist (luṅ) of udgam

past aorist (luṅ)

Root `gam` (to go) with prefix `ud` (up). Aorist form, 3rd person plural.

Prefix: ud

Root: gam (class 1)

भीमनिर्ह्रादाः (bhīmanirhrādāḥ) - The demons making frightful sounds as they emerged. (with terrible roars/sounds.)

(adjective)

Nominative, masculine, plural of bhīmanirhrāda

bhīmanirhrāda - having terrible roars/sounds.

Bahuvrīhi compound: `bhīma` (terrible) + `nirhrāda` (roar, sound).

Compound type : bahuvrīhi (bhīma+nirhrāda)

• bhīma – terrible, dreadful, formidable.
  adjective (masculine)
  From root `bhī` (to fear).
  Root: bhī (class 3)
• nirhrāda – a loud noise, roar, sound.
  noun (masculine)
  From `nir` + root `hrād` (to sound, roar).
  Prefix: nis
  Root: hrād (class 1)

Note: Agrees with `daityāḥ`.

सपक्षगिरिलीलया (sapakṣagirilīlayā) - Describing the swift and effortless emergence of the demons, like mythical winged mountains taking flight. (with the ease/playfulness of winged mountains.)

(noun)

Instrumental, feminine, singular of sapakṣagirilīlā

sapakṣagirilīlā - the playfulness or ease of winged mountains.

Tatpuruṣa compound of `sapakṣagiri` (winged mountain) and `līlā` (play, ease, sport). `sapakṣagiri` itself is a bahuvrīhi.

Compound type : tatpuruṣa (sapakṣagiri+līlā)

• sapakṣagiri – a winged mountain.
  noun (masculine)
  Bahuvrīhi compound: `sa` (with) + `pakṣa` (wing) + `giri` (mountain). Literally 'that which has wings and is a mountain'.
• līlā – play, sport, ease, grace, pastime.
  noun (feminine)
  From root `lī` (to cling, dissolve; also associated with playfulness).
  Root: lī (class 4)

Note: Indicates the manner in which they emerged.