योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-40, verse-9

प्रलुठत्स्वपि शैलेषु कल्पाग्निषु दहत्स्वपि ।
वहत्सूत्पातवातेषु स्वात्मन्येव हि तिष्ठति ॥ ९ ॥

praluṭhatsvapi śaileṣu kalpāgniṣu dahatsvapi ,
vahatsūtpātavāteṣu svātmanyeva hi tiṣṭhati 9

9. praluṭhatsu api śaileṣu kalpāgniṣu dahatsu api
vahatsu utpātavāteṣu svātmani eva hi tiṣṭhati

9. śaileṣu praluṭhatsu api kalpāgniṣu dahatsu api
utpātavāteṣu vahatsu svātmani eva hi tiṣṭhati

9. Even when mountains are tumbling down, even when the fires of cosmic dissolution (kalpāgni) blaze, and even when catastrophic winds blow, one truly abides only in one's own Self (ātman).

Words meanings summery:

• प्रलुठत्सु (praluṭhatsu) - while rolling, falling, tumbling

• अपि (api) - even, also, too

• शैलेषु (śaileṣu) - in the mountains, on the mountains

• कल्पाग्निषु (kalpāgniṣu) - in the fires of cosmic dissolution

• दहत्सु (dahatsu) - while burning, blazing, consuming

• अपि (api) - even, also, too

• वहत्सु (vahatsu) - while blowing, carrying, flowing

• उत्पातवातेषु (utpātavāteṣu) - in the catastrophic winds, in the unusual winds

• स्वात्मनि (svātmani) - in one's own Self (ātman)

• एव (eva) - indeed, only, certainly

• हि (hi) - indeed, surely, because

• तिष्ठति (tiṣṭhati) - stands, remains, abides, exists

Words meanings and morphology

प्रलुठत्सु (praluṭhatsu) - while rolling, falling, tumbling

(adjective)

Locative, masculine, plural of praluṭhat

praluṭhat - rolling, tumbling down, falling, wallowing

Present Active Participle

Derived from the root luṭh (to roll, fall) with the prefix pra and suffix -at (śatṛ).

Prefix: pra

Root: luṭh (class 1)

अपि (api) - even, also, too

(indeclinable)

शैलेषु (śaileṣu) - in the mountains, on the mountains

(noun)

Locative, masculine, plural of śaila

śaila - mountain, rock, hill

कल्पाग्निषु (kalpāgniṣu) - in the fires of cosmic dissolution

(noun)

Locative, masculine, plural of kalpāgni

kalpāgni - the fire of cosmic dissolution (at the end of a kalpa); a destructive fire

Compound type : tatpuruṣa (kalpa+agni)

• kalpa – a cosmic eon, a day of Brahmā (4.32 billion human years); a division of time
  noun (masculine)
• agni – fire, sacred fire, god of fire
  noun (masculine)

दहत्सु (dahatsu) - while burning, blazing, consuming

(adjective)

Locative, masculine, plural of dahat

dahat - burning, blazing, consuming, afflicting

Present Active Participle

Derived from the root dah (to burn) with the suffix -at (śatṛ).

Root: dah (class 1)

अपि (api) - even, also, too

(indeclinable)

वहत्सु (vahatsu) - while blowing, carrying, flowing

(adjective)

Locative, masculine, plural of vahat

vahat - blowing, carrying, flowing, bearing

Present Active Participle

Derived from the root vah (to carry, flow, blow) with the suffix -at (śatṛ).

Root: vah (class 1)

उत्पातवातेषु (utpātavāteṣu) - in the catastrophic winds, in the unusual winds

(noun)

Locative, masculine, plural of utpātavāta

utpātavāta - catastrophic wind, unusual wind, wind of calamity

Compound type : tatpuruṣa (utpāta+vāta)

• utpāta – calamity, abnormal phenomenon, unusual occurrence, sudden outburst
  noun (masculine)
• vāta – wind, air, atmosphere
  noun (masculine)

स्वात्मनि (svātmani) - in one's own Self (ātman)

(noun)

Locative, masculine, singular of svātman

svātman - one's own Self, the individual soul

Compound type : tatpuruṣa (sva+ātman)

• sva – one's own, self, private
  pronoun (masculine)
• ātman – Self, soul, spirit, essence
  noun (masculine)

एव (eva) - indeed, only, certainly

(indeclinable)

Emphatic particle.

हि (hi) - indeed, surely, because

(indeclinable)

Emphatic or causal particle.

तिष्ठति (tiṣṭhati) - stands, remains, abides, exists

(verb)

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

Present Indicative

3rd person singular, present tense, active voice. Root sthā (to stand) of the 1st class (tiṣṭhati).

Root: sthā (class 1)