योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-82, verse-9

बद्धपद्मासनस्तस्थौ पार्ष्ण्योरधिकराङ्गुलिः ।
शृङ्गवच्छान्तचलनमतिष्ठत्स्पष्टकन्धरम् ॥ ९ ॥

baddhapadmāsanastasthau pārṣṇyoradhikarāṅguliḥ ,
śṛṅgavacchāntacalanamatiṣṭhatspaṣṭakandharam 9

9. baddhapadmāsanaḥ tasthau pārṣṇyoḥ adhikarāṅguliḥ
śṛṅgavat śāntacalam atiṣṭhat spaṣṭakandharam

9. baddhapadmāsanaḥ adhikarāṅguliḥ pārṣṇyoḥ tasthau
śṛṅgavat śāntacalam spaṣṭakandharam atiṣṭhat

9. He sat in the bound lotus posture (padmāsana), with his fingers placed upon his heels. Like a mountain peak, without movement, he remained with his neck clearly visible.

Words meanings summery:

• बद्धपद्मासनः (baddhapadmāsanaḥ) - in the bound lotus posture

• तस्थौ (tasthau) - he sat, he stood, he remained

• पार्ष्ण्योः (pārṣṇyoḥ) - on the heels, of the heels

• अधिकराङ्गुलिः (adhikarāṅguliḥ) - with fingers placed on/upon

• शृङ्गवत् (śṛṅgavat) - like a mountain peak (like a horn, like a peak, like a summit)

• शान्तचलम् (śāntacalam) - motionless, tranquil in movement

• अतिष्ठत् (atiṣṭhat) - he remained, he stood

• स्पष्टकन्धरम् (spaṣṭakandharam) - with a clear neck, distinct-necked

Words meanings and morphology

बद्धपद्मासनः (baddhapadmāsanaḥ) - in the bound lotus posture

(adjective)

Nominative, masculine, singular of baddhapadmāsana

baddhapadmāsana - bound lotus posture (a specific yoga posture)

Compound type : tatpuruṣa (baddha+padmāsana)

• baddha – bound, tied, fixed
  adjective (masculine)
  Past Passive Participle
  Derived from root bandh (to bind) with suffix -ta
  Root: bandh (class 1)
• padmāsana – lotus seat, lotus posture (a yoga posture)
  noun (neuter)

Note: Adjective qualifying the implied subject (the ascetic).

तस्थौ (tasthau) - he sat, he stood, he remained

(verb)

3rd person , singular, active, perfect (lit) of sthā

Perfect, 3rd person singular, active voice

Root: sthā (class 1)

पार्ष्ण्योः (pārṣṇyoḥ) - on the heels, of the heels

(noun)

Locative, feminine, dual of pārṣṇi

pārṣṇi - heel

Note: Could also be genitive dual, but locative fits the context of placement.

अधिकराङ्गुलिः (adhikarāṅguliḥ) - with fingers placed on/upon

(adjective)

Nominative, masculine, singular of adhikarāṅguli

adhikarāṅguli - having fingers placed upon

Compound type : bahuvrīhi (adhika+kara+aṅguli)

• adhika – additional, excessive, placed on, superior
  adjective (masculine)
• kara – hand, arm, ray, tax, elephant's trunk
  noun (masculine)
  Root: kṛ (class 8)
• aṅguli – finger, toe
  noun (feminine)

Note: Adjective qualifying the implied subject (the ascetic).

शृङ्गवत् (śṛṅgavat) - like a mountain peak (like a horn, like a peak, like a summit)

(indeclinable)

Formed with the suffix -vat, indicating similarity.

शान्तचलम् (śāntacalam) - motionless, tranquil in movement

(adjective)

Nominative, neuter, singular of śāntacala

śāntacala - motionless, tranquil in movement, having calm movement

Compound type : karmadhāraya (śānta+cala)

• śānta – calm, tranquil, peaceful, appeased
  adjective (masculine)
  Past Passive Participle
  Derived from root śam (to be calm) with suffix -ta.
  Root: śam (class 4)
• cala – moving, trembling, unsteady, motion
  adjective (masculine)
  Root: cal (class 1)

Note: Used adverbially to describe the state of remaining, or as a nominative neuter adjective modifying an implied 'body' or 'state'.

अतिष्ठत् (atiṣṭhat) - he remained, he stood

(verb)

3rd person , singular, active, imperfect (luṅ) of sthā

Imperfect, 3rd person singular, active voice

Root: sthā (class 1)

स्पष्टकन्धरम् (spaṣṭakandharam) - with a clear neck, distinct-necked

(adjective)

Nominative, neuter, singular of spaṣṭakandhara

spaṣṭakandhara - having a clear or distinct neck

Compound type : bahuvrīhi (spaṣṭa+kandhara)

• spaṣṭa – clear, distinct, manifest, evident
  adjective (masculine)
  Past Passive Participle
  Derived from root spṛś (to touch) with prefix pra, here meaning 'made clear'.
  Prefix: pra
  Root: spṛś (class 6)
• kandhara – neck, throat
  noun (masculine)

Note: Used adverbially to describe the state of remaining, or as a nominative neuter adjective modifying an implied 'body' or 'state'.