योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-26, verse-37

अशङ्कमशकापातस्पन्दमप्यतिचापलम् ।
कलयन्त्यः स्थिता वाप्यो निस्पन्दानन्दमात्मनि ॥ ३७ ॥

aśaṅkamaśakāpātaspandamapyaticāpalam ,
kalayantyaḥ sthitā vāpyo nispandānandamātmani 37

37. aśaṅkam aśakāpātaspandam api aticāpalam
kalayantyaḥ sthitāḥ vāpyaḥ nispandānandam ātmani

37. vāpyaḥ aśaṅkam aśakāpātaspandam aticāpalam api
(na) kalayantyaḥ ātmani nispandānandam sthitāḥ

37. Fearlessly, the pools (vāpyaḥ) remained, experiencing within themselves a tranquil bliss (niṣpandānandam), not perceiving even the tremor caused by a mosquito's landing or any extreme agitation.

Words meanings summery:

• अशङ्कम् (aśaṅkam) - fearlessly, without doubt, without apprehension

• अशकापातस्पन्दम् (aśakāpātaspandam) - tremor caused by a mosquito's fall

• अपि (api) - even, also, too

• अतिचापलम् (aticāpalam) - excessive unsteadiness, extreme fickleness, great agitation

• कलयन्त्यः (kalayantyaḥ) - perceiving, experiencing, contemplating, noting

• स्थिताः (sthitāḥ) - stood, remained, situated

• वाप्यः (vāpyaḥ) - pools, tanks, reservoirs

• निस्पन्दानन्दम् (nispandānandam) - tranquil bliss, motionless joy

• आत्मनि (ātmani) - in the self, within oneself, in one's own nature

Words meanings and morphology

अशङ्कम् (aśaṅkam) - fearlessly, without doubt, without apprehension

(indeclinable)

Negative compound with śaṅka (fear, doubt)

Note: Adverbial usage.

अशकापातस्पन्दम् (aśakāpātaspandam) - tremor caused by a mosquito's fall

(noun)

Accusative, neuter, singular of aśakāpātaspanda

aśakāpātaspanda - vibration/tremor caused by the falling of a mosquito

Compound of aśaka (mosquito), āpāta (fall), and spanda (vibration)

Compound type : tatpurusha (aśaka+āpāta+spanda)

• aśaka – mosquito
  noun (masculine)
• āpāta – fall, descent, landing
  noun (masculine)
  From root pat with prefix ā-
  Prefix: ā
  Root: pat (class 1)
• spanda – tremor, vibration, throbbing
  noun (masculine)
  From root spand
  Root: spand (class 1)

Note: Object of `kalayantyaḥ` (implicitly negated).

अपि (api) - even, also, too

(indeclinable)

Note: Emphatic particle.

अतिचापलम् (aticāpalam) - excessive unsteadiness, extreme fickleness, great agitation

(noun)

Accusative, neuter, singular of aticāpala

aticāpala - excessively unsteady, extremely fickle, very agitated

Compound of ati (excessive) and cāpala (unsteadiness, fickleness)

Compound type : tatpurusha (ati+cāpala)

• ati – excessive, beyond
  indeclinable
  Prefix/adverb
• cāpala – unsteadiness, fickleness, quickness
  noun (neuter)
  From capala (fickle, unsteady)

Note: Object of `kalayantyaḥ` (implicitly negated).

कलयन्त्यः (kalayantyaḥ) - perceiving, experiencing, contemplating, noting

(adjective)

Nominative, feminine, plural of kalayantī

kalayat - perceiving, experiencing, knowing

Present Active Participle

Present active participle of root kal (to hold, to perform, to perceive)

Root: kal (class 1)

Note: Agrees with vāpyaḥ.

स्थिताः (sthitāḥ) - stood, remained, situated

(adjective)

Nominative, feminine, plural of sthita

sthita - stood, remained, situated, existing

Past Passive Participle

Past passive participle of root sthā

Root: sthā (class 1)

Note: Agrees with vāpyaḥ.

वाप्यः (vāpyaḥ) - pools, tanks, reservoirs

(noun)

Nominative, feminine, plural of vāpī

vāpī - large pool, tank, reservoir

Feminine noun

Note: The subject of the sentence.

निस्पन्दानन्दम् (nispandānandam) - tranquil bliss, motionless joy

(noun)

Accusative, neuter, singular of nispandānanda

nispandānanda - motionless joy, tranquil bliss

Compound of niṣpanda (motionless) and ānanda (joy)

Compound type : karmadhāraya (niṣpanda+ānanda)

• niṣpanda – motionless, still
  adjective (masculine)
  Negative compound with spanda (motion)
  Prefix: nis
• ānanda – joy, bliss, happiness
  noun (masculine)
  From root nand with prefix ā-
  Prefix: ā
  Root: nand (class 1)

Note: Object of `kalayantyaḥ`.

आत्मनि (ātmani) - in the self, within oneself, in one's own nature

(noun)

Locative, masculine, singular of ātman

ātman - self, soul, spirit, essence