योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-41, verse-8

उपधानप्रदेशस्थात्स्वयं पटलकोटरात् ।
बद्धपद्मासनो भूमौ भूत्वोवाचेदमानतः ॥ ८ ॥

upadhānapradeśasthātsvayaṃ paṭalakoṭarāt ,
baddhapadmāsano bhūmau bhūtvovācedamānataḥ 8

8. upadhānapradeśasthāt svayam paṭalakoṭarāt
baddhapadmāsanaḥ bhūmau bhūtvā uvāca idam ānataḥ

8. svayam upadhānapradeśasthāt paṭalakoṭarāt
baddhapadmāsanaḥ bhūmau bhūtvā ānataḥ idam uvāca

8. After retrieving it himself from the hollow of the container located near the pillow, and having sat on the ground in the lotus posture (padmāsana), he spoke this humbly.

Words meanings summery:

• उपधानप्रदेशस्थात् (upadhānapradeśasthāt) - from the pillow's location, from the place situated near the pillow

• स्वयम् (svayam) - oneself, by oneself, spontaneously

• पटलकोटरात् (paṭalakoṭarāt) - from the hollow/cavity of the container/basket

• बद्धपद्मासनः (baddhapadmāsanaḥ) - having assumed the lotus posture

• भूमौ (bhūmau) - on the ground, on the earth

• भूत्वा (bhūtvā) - having been, having become

• उवाच (uvāca) - he spoke, he said

• इदम् (idam) - this

• आनतः (ānataḥ) - bowed, humble, bent

Words meanings and morphology

उपधानप्रदेशस्थात् (upadhānapradeśasthāt) - from the pillow's location, from the place situated near the pillow

(adjective)

Ablative, masculine, singular of upadhānapradeśastha

upadhānapradeśastha - situated in the pillow's region

Compound type : tatpuruṣa (upadhāna+pradeśa+stha)

• upadhāna – pillow, cushion
  noun (neuter)
• pradeśa – place, region, locality
  noun (masculine)
• stha – standing, situated, located
  adjective (masculine)
  Derived from root √sthā
  Root: sthā (class 1)

Note: Qualifies 'paṭalakoṭarāt'.

स्वयम् (svayam) - oneself, by oneself, spontaneously

(indeclinable)

पटलकोटरात् (paṭalakoṭarāt) - from the hollow/cavity of the container/basket

(noun)

Ablative, neuter, singular of paṭalakoṭara

paṭalakoṭara - hollow of a container/basket

Compound type : tatpuruṣa (paṭala+koṭara)

• paṭala – covering, lid, basket, layer
  noun (neuter)
• koṭara – hollow, cavity, hole
  noun (neuter)

बद्धपद्मासनः (baddhapadmāsanaḥ) - having assumed the lotus posture

(adjective)

Nominative, masculine, singular of baddhapadmāsana

baddhapadmāsana - one who has assumed the lotus posture (yoga)

Compound type : bahuvrīhi (baddha+padmāsana)

• baddha – bound, fixed, assumed
  adjective (masculine)
  Past Passive Participle
  Derived from root √bandh
  Root: bandh (class 9)
• padmāsana – lotus posture (yoga)
  noun (neuter)

भूमौ (bhūmau) - on the ground, on the earth

(noun)

Locative, feminine, singular of bhūmi

bhūmi - earth, ground, soil

भूत्वा (bhūtvā) - having been, having become

(indeclinable)

Root: bhū (class 1)

Note: Absolutive (gerund) form.

उवाच (uvāca) - he spoke, he said

(verb)

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

Root: vac (class 2)

इदम् (idam) - this

(pronoun)

Accusative, neuter, singular of idam

idam - this, this one

आनतः (ānataḥ) - bowed, humble, bent

(adjective)

Nominative, masculine, singular of ānata

ānata - bowed, humble, submissive

Past Passive Participle

Derived from root √nam with prefix ā-

Prefix: ā

Root: nam (class 1)

Note: Modifies the implied subject 'he'.