योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-85, verse-13

प्रवहन्ति महानद्यः प्रध्वनन्ति यथाब्धयः ।
प्रतपन्त्युष्णरुचयः प्रस्फुरन्त्यम्बरेऽनिलाः ॥ १३ ॥

pravahanti mahānadyaḥ pradhvananti yathābdhayaḥ ,
pratapantyuṣṇarucayaḥ prasphurantyambare'nilāḥ 13

13. pravahanti mahā-nadyaḥ pradhvananti yathā abdhyayaḥ
pratapanti uṣṇa-rucayaḥ prasphuranti ambare anilāḥ

13. mahā-nadyaḥ pravahanti; yathā abdhyayaḥ pradhvananti;
uṣṇa-rucayaḥ pratapanti; anilāḥ ambare prasphuranti

13. Great rivers flow, oceans roar, hot-rayed suns shine brightly, and winds flutter in the sky.

Words meanings summery:

• प्रवहन्ति (pravahanti) - they flow, they stream

• महा-नद्यः (mahā-nadyaḥ) - great rivers

• प्रध्वनन्ति (pradhvananti) - they roar loudly, they resound

• यथा (yathā) - as, just as, according to

• अब्ध्ययः (abdhyayaḥ) - oceans

• प्रतपन्ति (pratapanti) - they shine brightly, they emit heat

• उष्ण-रुचयः (uṣṇa-rucayaḥ) - Refers to suns or other celestial bodies that emit heat and light. (hot-rayed (ones), suns)

• प्रस्फुरन्ति (prasphuranti) - they flutter, they quiver, they vibrate, they appear brilliantly

• अम्बरे (ambare) - in the sky, in space

• अनिलाः (anilāḥ) - winds, breezes

Words meanings and morphology

प्रवहन्ति (pravahanti) - they flow, they stream

(verb)

3rd person , plural, active, present indicative (laṭ) of pravah

From root vah (to carry, flow) with prefix pra.

Prefix: pra

Root: vah (class 1)

महा-नद्यः (mahā-nadyaḥ) - great rivers

(noun)

Nominative, feminine, plural of mahā-nadī

mahā-nadī - great river

Compound type : karmadhāraya (mahat+nadī)

• mahat – great, large
  adjective
• nadī – river
  noun (feminine)

Note: Subject of 'pravahanti'.

प्रध्वनन्ति (pradhvananti) - they roar loudly, they resound

(verb)

3rd person , plural, active, present indicative (laṭ) of pradhvan

From root dhvan (to sound) with prefix pra.

Prefix: pra

Root: dhvan (class 1)

यथा (yathā) - as, just as, according to

(indeclinable)

Note: Conjunction.

अब्ध्ययः (abdhyayaḥ) - oceans

(noun)

Nominative, masculine, plural of abdhi

abdhi - ocean, sea

Compound 'ap' (water) + 'dhi' (receptacle).

Compound type : tatpuruṣa (ap+dhi)

• ap – water
  noun (feminine)
• dhi – receptacle, container, intellect
  noun (masculine)
  From root dhā (to place, hold).
  Root: dhā (class 3)

Note: Subject of 'pradhvananti'.

प्रतपन्ति (pratapanti) - they shine brightly, they emit heat

(verb)

3rd person , plural, active, present indicative (laṭ) of pratap

From root tap (to heat, shine) with prefix pra.

Prefix: pra

Root: tap (class 1)

उष्ण-रुचयः (uṣṇa-rucayaḥ) - Refers to suns or other celestial bodies that emit heat and light. (hot-rayed (ones), suns)

(noun)

Nominative, masculine, plural of uṣṇa-ruci

uṣṇa-ruci - having hot rays, hot-shining (epithet for the sun)

Compound type : bahuvrīhi (uṣṇa+ruci)

• uṣṇa – hot, warm
  adjective (masculine)
  From root uṣ (to burn).
  Root: uṣ (class 1)
• ruci – ray, light, splendor, taste
  noun (feminine)
  From root ruc (to shine).
  Root: ruc (class 1)

Note: Subject of 'pratapanti'.

प्रस्फुरन्ति (prasphuranti) - they flutter, they quiver, they vibrate, they appear brilliantly

(verb)

3rd person , plural, active, present indicative (laṭ) of prasphur

From root sphur (to quiver, flash) with prefix pra.

Prefix: pra

Root: sphur (class 6)

अम्बरे (ambare) - in the sky, in space

(noun)

Locative, neuter, singular of ambara

ambara - sky, atmosphere, garment

अनिलाः (anilāḥ) - winds, breezes

(noun)

Nominative, masculine, plural of anila

anila - wind, air (often personified as Vayu)

Root: an (class 2)

Note: Subject of 'prasphuranti'.