योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-78, verse-20

लग्नामङ्गारकाष्ठेन समानां च महातनुम् ।
द्रुमाभास्पन्दसशिरलसद्भुजलतातनुम् ॥ २० ॥

lagnāmaṅgārakāṣṭhena samānāṃ ca mahātanum ,
drumābhāspandasaśiralasadbhujalatātanum 20

20. lagnām aṅgārakāṣṭhena samānām ca mahātanum
drumābhāspandasaśiralasadbhujalatātanum

20. mahātanum drumābhāspandasaśiralasadbhujalatātanum
ca lagnām aṅgārakāṣṭhena samānām

20. And her immense body, appearing like a burning piece of charcoal, had a form with creeper-like arms that gleamed and trembled, and a swaying head, resembling the tremulous appearance of a tree.

Words meanings summery:

• लग्नाम् (lagnām) - appearing, presenting itself (attached, fixed, clinging, appearing)

• अङ्गारकाष्ठेन (aṅgārakāṣṭhena) - by a piece of burning charcoal

• समानाम् (samānām) - similar, equal, comparable

• च (ca) - and, also

• महातनुम् (mahātanum) - great body, immense form

• द्रुमाभास्पन्दसशिरलसद्भुजलतातनुम् (drumābhāspandasaśiralasadbhujalatātanum) - whose body had creeper-like arms that gleamed and quivered, and a swaying head, resembling the trembling sight of a tree

Words meanings and morphology

लग्नाम् (lagnām) - appearing, presenting itself (attached, fixed, clinging, appearing)

(participle)

Accusative, feminine, singular of lagna

lagna - attached, fixed, sticking, appearing, auspicious moment

Past Passive Participle

From root lag (to stick, cling)

Root: lag (class 1)

Note: Modifies `mahātanum`.

अङ्गारकाष्ठेन (aṅgārakāṣṭhena) - by a piece of burning charcoal

(noun)

Instrumental, neuter, singular of aṅgārakāṣṭha

aṅgārakāṣṭha - burning charcoal, ember

Compound type : karmadhāraya (aṅgāra+kāṣṭha)

• aṅgāra – charcoal, live coal, ember
  noun (masculine)
• kāṣṭha – wood, piece of wood
  noun (neuter)

Note: Used with `samānām` to indicate comparison.

समानाम् (samānām) - similar, equal, comparable

(adjective)

Accusative, feminine, singular of samāna

samāna - equal, similar, identical, uniform

From sa (together) + māna (measure).

Prefix: sam

Root: mā (class 2)

Note: Modifies `mahātanum`.

च (ca) - and, also

(indeclinable)

Note: Conjunction.

महातनुम् (mahātanum) - great body, immense form

(noun)

Accusative, feminine, singular of mahātanu

mahātanu - great body, huge form

Compound type : karmadhāraya (mahā+tanu)

• mahā – great, large, mighty
  adjective
  `mahant` stem
• tanu – body, form, person
  noun (feminine)
  From root tan (to stretch)
  Root: tan (class 8)

Note: Direct object, refers to the Rākṣasī's body.

द्रुमाभास्पन्दसशिरलसद्भुजलतातनुम् (drumābhāspandasaśiralasadbhujalatātanum) - whose body had creeper-like arms that gleamed and quivered, and a swaying head, resembling the trembling sight of a tree

(adjective)

Accusative, feminine, singular of drumābhāspandasaśiralasadbhujalatātanu

drumābhāspandasaśiralasadbhujalatātanu - (a body) whose creeper-like arms shone and trembled, with a swaying head, like the trembling appearance of a tree

Compound type : bahuvrīhi (drumābhā+spanda+saśiras+lasat+bhujalatā+tanu)

• drumābhā – tree-like splendor/appearance
  noun (feminine)
  `druma` + `ābhā`
• spanda – trembling, quivering, movement
  noun (masculine)
  From root spand
  Root: spand (class 1)
• saśiras – with a head
  adjective
  `sa` + `śiras`
  Prefix: sa
• lasat – shining, glistening, trembling, playing
  participle
  Present Active Participle
  From root las (to shine, play, tremble)
  Root: las (class 1)
• bhujalatā – creeper-like arms
  noun (feminine)
  `bhuja` + `latā`
• tanu – body, form, person
  noun (feminine)
  From root tan (to stretch)
  Root: tan (class 8)

Note: Modifies `mahātanum`.