योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-38, verse-13

शरादिहेतिसरितो विस्तीर्णे गगने स्थिते ।
प्रवृत्ताः सुखमागन्तुं सरसः सरितो यथा ॥ १३ ॥

śarādihetisarito vistīrṇe gagane sthite ,
pravṛttāḥ sukhamāgantuṃ sarasaḥ sarito yathā 13

13. śarādihetisaritaḥ vistīrṇe gagane sthite
pravṛttāḥ sukham āgantum sarasaḥ saritaḥ yathā

13. śarādihetisaritaḥ vistīrṇe gagane sthite
sarasaḥ saritaḥ yathā sukham āgantum pravṛttāḥ

13. The streams of weapons, beginning with arrows, which were positioned in the vast expanse (of the battlefield), began to move effortlessly, just as rivers flow easily from a lake.

Words meanings summery:

• शरादिहेतिसरितः (śarādihetisaritaḥ) - streams of weapons, beginning with arrows (rivers of weapons beginning with arrows)

• विस्तीर्णे (vistīrṇe) - in the vast (in the vast, extended)

• गगने (gagane) - in the expanse (metaphorically, battlefield) (in the sky, in the atmosphere)

• स्थिते (sthite) - positioned, existing (situated, standing, being, present)

• प्रवृत्ताः (pravṛttāḥ) - began to move (started, began, set in motion)

• सुखम् (sukham) - effortlessly (easily, happily, comfortably)

• आगन्तुम् (āgantum) - to move, to flow (to come)

• सरसः (sarasaḥ) - from a lake (from a lake, pond)

• सरितः (saritaḥ) - rivers

• यथा (yathā) - just as (as, just as, in what manner)

Words meanings and morphology

शरादिहेतिसरितः (śarādihetisaritaḥ) - streams of weapons, beginning with arrows (rivers of weapons beginning with arrows)

(noun)

Nominative, feminine, plural of śarādihetisarit

śarādihetisarit - river of weapons beginning with arrows

Compound type : tatpurusha (śarādiheti+sarit)

• śarādiheti – weapons beginning with arrows
  noun (feminine)
• śara – arrow
  noun (masculine)
• ādi – beginning, etcetera
  indeclinable
• heti – weapon, missile
  noun (feminine)
• sarit – river
  noun (feminine)

Note: The stem `sarit` is feminine.

विस्तीर्णे (vistīrṇe) - in the vast (in the vast, extended)

(adjective)

Locative, neuter, singular of vistīrṇa

vistīrṇa - extended, vast, wide, spread out

Past Passive Participle

From `vi-√tṝ` (to cross, spread out)

Prefix: vi

Root: tṝ (class 1)

Note: Qualifies `gagane`.

गगने (gagane) - in the expanse (metaphorically, battlefield) (in the sky, in the atmosphere)

(noun)

Locative, neuter, singular of gagana

gagana - sky, atmosphere, heaven

स्थिते (sthite) - positioned, existing (situated, standing, being, present)

(adjective)

Locative, neuter, singular of sthita

sthita - standing, situated, existing

Past Passive Participle

From `√sthā` (to stand)

Root: sthā (class 1)

Note: Qualifies `gagane`. (Locative absolute construction possible here).

प्रवृत्ताः (pravṛttāḥ) - began to move (started, began, set in motion)

(adjective)

Nominative, feminine, plural of pravṛtta

pravṛtta - begun, started, set in motion

Past Passive Participle

From `pra-√vṛt` (to turn, proceed)

Prefix: pra

Root: vṛt (class 1)

Note: Qualifies `śarādihetisaritaḥ`.

सुखम् (sukham) - effortlessly (easily, happily, comfortably)

(indeclinable)

Adverbial use of neuter accusative singular.

Note: Used adverbially.

आगन्तुम् (āgantum) - to move, to flow (to come)

(verb)

infinitive of āgam

Infinitive

From `ā-√gam`

Prefix: ā

Root: gam (class 1)

Note: `tumun` infinitive.

सरसः (sarasaḥ) - from a lake (from a lake, pond)

(noun)

Ablative, neuter, singular of saras

saras - lake, pond, pool

सरितः (saritaḥ) - rivers

(noun)

Nominative, feminine, plural of sarit

sarit - river, stream

यथा (yathā) - just as (as, just as, in what manner)

(indeclinable)

Note: Particle of comparison.