योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-49, verse-27

नानाङ्गवलना नानानमन्नमनसत्तमाः ।
शिलाभुजगवक्रोरुकटिपार्श्वकराङ्गिकाः ॥ २७ ॥

nānāṅgavalanā nānānamannamanasattamāḥ ,
śilābhujagavakrorukaṭipārśvakarāṅgikāḥ 27

27. nānāṅgavalanaḥ nānānamannamanasattamāḥ
śilābhujagavakrorukaṭipārśvakarāṅgikāḥ

27. (te āsan) nānāṅgavalanaḥ,
nānānamannamanasattamāḥ,
śilābhujagavakrorukaṭipārśvakarāṅgikāḥ.

27. They (the demonesses) were figures with various contortions of limbs, greatly bending and unbending in diverse ways. Their thighs, hips, sides, hands, and other body parts were crooked like rocks and serpents.

Words meanings summery:

• नानाङ्गवलनः (nānāṅgavalanaḥ) - having various contortions of limbs, having manifold limb-movements

• नानानमन्नमनसत्तमाः (nānānamannamanasattamāḥ) - greatly bending and unbending in diverse ways, most excellent in various bendings and non-bendings

• शिलाभुजगवक्रोरुकटिपार्श्वकराङ्गिकाः (śilābhujagavakrorukaṭipārśvakarāṅgikāḥ) - whose thighs, hips, sides, hands, and other body parts were crooked like rocks and serpents

Words meanings and morphology

नानाङ्गवलनः (nānāṅgavalanaḥ) - having various contortions of limbs, having manifold limb-movements

(adjective)

Nominative, feminine, plural of nānāṅgavalana

nānāṅgavalana - having various limb-twistings/movements

Bahuvrihi compound

Compound type : bahuvrihi (nānā+aṅga+valana)

• nānā – various, diverse, manifold
  indeclinable
• aṅga – limb, body part, body
  noun (neuter)
• valana – turning, twisting, rolling, movement, contortion
  noun (feminine)
  Derived from root √val (to turn, move)
  Root: val (class 1)

Note: Acts as an adjective describing the female pishachas implied in the context of the next verse.

नानानमन्नमनसत्तमाः (nānānamannamanasattamāḥ) - greatly bending and unbending in diverse ways, most excellent in various bendings and non-bendings

(adjective)

Nominative, feminine, plural of nānānamannamanasattama

nānānamannamanasattama - most excellent in various bendings and non-bendings (referring to erratic, extreme movements)

Bahuvrihi compound: nānā (various) + namant (bending, from √nam) + anamāna (not bending, from √nam + an- prefix) + sattama (most excellent/intense)

Compound type : bahuvrihi (nānā+namant+anamana+sattama)

• nānā – various, diverse, manifold
  indeclinable
• namant – bending, bowing, inclined
  participle
  Present Active Participle
  From root √nam (to bend, bow)
  Root: nam (class 1)
• anamana – not bending, unbending
  noun (neuter)
  Negation of `namana` (bending), derived from √nam
  Prefix: an
  Root: nam (class 1)
• sattama – best, excellent, most intense, greatest
  adjective (masculine)
  Superlative suffix -tama to 'sat' (good/existent)

Note: Describes the extreme and erratic movements of the entities.

शिलाभुजगवक्रोरुकटिपार्श्वकराङ्गिकाः (śilābhujagavakrorukaṭipārśvakarāṅgikāḥ) - whose thighs, hips, sides, hands, and other body parts were crooked like rocks and serpents

(adjective)

Nominative, feminine, plural of śilābhujagavakrorukaṭipārśvakarāṅgika

śilābhujagavakrorukaṭipārśvakarāṅgika - having thighs, hips, sides, hands, and limbs crooked like stones and serpents

Bahuvrihi compound

Compound type : bahuvrihi (śilā+bhujaga+vakra+ūru+kaṭi+pārśva+kara+aṅgikā)

• śilā – stone, rock
  noun (feminine)
• bhujaga – serpent, snake
  noun (masculine)
  Compound 'bhujaga' (one who goes on the arm/shoulder)
• vakra – curved, crooked, bent, winding
  adjective (masculine)
• ūru – thigh
  noun (feminine)
• kaṭi – hip, waist
  noun (feminine)
• pārśva – side, flank
  noun (neuter)
• kara – hand
  noun (masculine)
• aṅgikā – small limb, body part, appendage
  noun (feminine)
  Diminutive of aṅga

Note: Describes the grotesque physical features of the entities.