योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-21, verse-17

बुद्धीन्द्रियेषु वल्गत्सु कर्मेन्द्रियगणस्ततः ।
स्फुरति स्वत एवोर्वी रजोलोल इवानिले ॥ १७ ॥

buddhīndriyeṣu valgatsu karmendriyagaṇastataḥ ,
sphurati svata evorvī rajolola ivānile 17

17. buddhīndriyeṣu valgatsu karmendriyagaṇaḥ tataḥ
sphurati svataḥ eva urvī rajo-lolaḥ iva anile

17. buddhīndriyeṣu valgatsu tataḥ karmendriyagaṇaḥ
svataḥ eva sphurati anile iva rajo-lolaḥ urvī

17. When the cognitive senses (buddhīndriyas) are active, the group of organs of action (karmendriyas) automatically stirs, just as the earth itself, with its dust agitated by the wind, trembles.

Words meanings summery:

• बुद्धीन्द्रियेषु (buddhīndriyeṣu) - when the cognitive senses (buddhīndriyas) are (active) (among the organs of perception, in the cognitive senses)

• वल्गत्सु (valgatsu) - when active/agitated (when moving, when stirring, when active, when agitated)

• कर्मेन्द्रियगणः (karmendriyagaṇaḥ) - the group of organs of action (karmendriyas) (group of organs of action)

• ततः (tataḥ) - then (then, thence, therefore)

• स्फुरति (sphurati) - stirs (vibrates, trembles, flashes, stirs)

• स्वतः (svataḥ) - automatically (by itself, spontaneously, automatically)

• एव (eva) - just (emphatic) (just, only, indeed, precisely)

• उर्वी (urvī) - earth (in the simile) (earth, ground)

• रजो-लोलः (rajo-lolaḥ) - with its dust agitated (agitated by dust, having agitated dust, dust-laden and restless)

• इव (iva) - just as (like, as, as if)

• अनिले (anile) - by the wind (in the wind, by the wind)

Words meanings and morphology

बुद्धीन्द्रियेषु (buddhīndriyeṣu) - when the cognitive senses (buddhīndriyas) are (active) (among the organs of perception, in the cognitive senses)

(noun)

Locative, neuter, plural of buddhīndriya

buddhīndriya - organ of perception, cognitive sense

compound of 'buddhi' (intellect) and 'indriya' (sense organ)

Compound type : tatpurusha (buddhi+indriya)

• buddhi – intellect, understanding, perception
  noun (feminine)
  derived from root 'budh' (to know, perceive)
  Root: budh (class 1)
• indriya – sense organ, faculty
  noun (neuter)
  derived from 'indra' (lord) or 'in' (to empower)

Note: Used in locative absolute construction

वल्गत्सु (valgatsu) - when active/agitated (when moving, when stirring, when active, when agitated)

(participle)

Locative, neuter, plural of valgat

valgat - moving, stirring, active, agitated

present active participle

derived from root 'valg' (to move, stir, dance)

Root: valg (class 1)

Note: Used in locative absolute construction, qualifying 'buddhīndriyeṣu'

कर्मेन्द्रियगणः (karmendriyagaṇaḥ) - the group of organs of action (karmendriyas) (group of organs of action)

(noun)

Nominative, masculine, singular of karmendriyagaṇa

karmendriyagaṇa - group of organs of action

compound of 'karmendriya' (organ of action) and 'gaṇa' (group)

Compound type : tatpurusha (karmendriya+gaṇa)

• karmendriya – organ of action
  noun (neuter)
  compound of 'karma' (action) and 'indriya' (sense organ)
• karma – action, deed, ritual
  noun (neuter)
  derived from root 'kṛ' (to do)
  Root: kṛ (class 8)
• indriya – sense organ, faculty
  noun (neuter)
• gaṇa – group, host, multitude
  noun (masculine)
  Root: gaṇ (class 10)

Note: Subject of 'sphurati'

ततः (tataḥ) - then (then, thence, therefore)

(indeclinable)

adverbial particle

Note: Adverbial usage

स्फुरति (sphurati) - stirs (vibrates, trembles, flashes, stirs)

(verb)

3rd person , singular, active, present (laṭ) of sphur

present active

third person singular present active

Root: sphur (class 6)

स्वतः (svataḥ) - automatically (by itself, spontaneously, automatically)

(indeclinable)

adverb derived from 'sva' (self)

Note: Adverbial usage

एव (eva) - just (emphatic) (just, only, indeed, precisely)

(indeclinable)

emphatic particle

उर्वी (urvī) - earth (in the simile) (earth, ground)

(noun)

Nominative, feminine, singular of urvī

urvī - earth, ground, extensive

feminine form of 'uru' (broad, extensive)

Note: Part of the simile, "the earth (with its dust agitated by the wind)"

रजो-लोलः (rajo-lolaḥ) - with its dust agitated (agitated by dust, having agitated dust, dust-laden and restless)

(adjective)

Nominative, masculine, singular of rajo-lola

rajo-lola - agitated by dust, having agitated dust

compound of 'rajas' (dust) and 'lola' (agitated, tremulous)

Compound type : bahuvrihi (rajas+lola)

• rajas – dust, pollen, impurity, menstrual fluid, passion (guna)
  noun (neuter)
  Root: raj (class 1)
• lola – moving, agitated, tremulous, desirous
  adjective (masculine)
  derived from root 'lul' (to shake)
  Root: lul (class 1)

Note: Used in simile; grammatically masculine, metaphorically linked to 'urvī'.

इव (iva) - just as (like, as, as if)

(indeclinable)

particle for comparison

अनिले (anile) - by the wind (in the wind, by the wind)

(noun)

Locative, masculine, singular of anila

anila - wind, air

derived from root 'an' (to breathe)

Root: an (class 2)

Note: Indicates the agent (wind) causing the agitation of dust, or the medium in which dust is agitated.