योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-68, verse-50

अन्तःसंसङ्गमङ्गानामङ्गारं विद्धि राघव ।
अनन्तःसङ्गमङ्गानां विद्धि राम रसायनम् ॥ ५० ॥

antaḥsaṃsaṅgamaṅgānāmaṅgāraṃ viddhi rāghava ,
anantaḥsaṅgamaṅgānāṃ viddhi rāma rasāyanam 50

50. antaḥsaṃsaṅgam aṅgānām aṅgāram viddhi rāghava
anantaḥsaṃsaṅgam aṅgānām viddhi rāma rasāyanam

50. rāghava,
antaḥsaṃsaṅgam aṅgānām aṅgāram viddhi.
rāma,
anantaḥsaṃsaṅgam aṅgānām rasāyanam viddhi.

50. O Rāghava, know that internal attachment to the body is like charcoal. O Rāma, know that non-attachment to the body is a potent elixir (rasāyanam).

Words meanings summery:

• अन्तःसंसङ्गम् (antaḥsaṁsaṅgam) - internal attachment, inner association

• अङ्गानाम् (aṅgānām) - of the body parts, of the limbs, of the body

• अङ्गारम् (aṅgāram) - charcoal, live coal

• विद्धि (viddhi) - know, understand

• राघव (rāghava) - O Rāghava, O descendant of Raghu

• अनन्तःसंसङ्गम् (anantaḥsaṁsaṅgam) - detachment from the body or inner self. (non-attachment, absence of internal attachment, detachment)

• अङ्गानाम् (aṅgānām) - of the body parts, of the limbs, of the body

• विद्धि (viddhi) - know, understand

• राम (rāma) - O Rāma

• रसायनम् (rasāyanam) - elixir, tonic, rejuvenator

Words meanings and morphology

अन्तःसंसङ्गम् (antaḥsaṁsaṅgam) - internal attachment, inner association

(noun)

Accusative, masculine, singular of antaḥsaṃsaṅga

antaḥsaṁsaṅga - inner attachment, internal association

Compound type : tatpuruṣa (antas+saṃsaṅga)

• antas – inside, internal, within
  indeclinable
• saṃsaṅga – attachment, association, contact
  noun (masculine)
  Derived from root `sañj` with prefix `sam`.
  Prefix: sam
  Root: sañj (class 1)

Note: Object of `viddhi`.

अङ्गानाम् (aṅgānām) - of the body parts, of the limbs, of the body

(noun)

Genitive, neuter, plural of aṅga

aṅga - limb, body part, body, constituent

Note: Connected to `antaḥsaṃsaṅgam` and `anantaḥsaṃsaṅgam`.

अङ्गारम् (aṅgāram) - charcoal, live coal

(noun)

Accusative, masculine, singular of aṅgāra

aṅgāra - charcoal, live coal, embers

Note: Predicate accusative with `viddhi`.

विद्धि (viddhi) - know, understand

(verb)

2nd person , singular, active, imperative (loṭ) of vid

imperative

2nd person singular imperative from root `vid` (class 2 `vid` 'to know').

Root: vid (class 2)

राघव (rāghava) - O Rāghava, O descendant of Raghu

(proper noun)

Vocative, masculine, singular of rāghava

rāghava - descendant of Raghu (an epithet of Rāma)

Patronymic from Raghu.

Note: Addressed to Rāma.

अनन्तःसंसङ्गम् (anantaḥsaṁsaṅgam) - detachment from the body or inner self. (non-attachment, absence of internal attachment, detachment)

(noun)

Accusative, masculine, singular of anantaḥsaṃsaṅga

anantaḥsaṁsaṅga - non-attachment, absence of internal attachment, boundless non-attachment

Compound: `an` (negation) + `antaḥsaṃsaṅga`. While `anantaḥ` usually means 'endless', in this context, it's interpreted to mean the negation of 'inner' (antaḥ), or as an elliptical form for 'non-attachment', contrasting directly with `antaḥsaṃsaṅga`.

Compound type : nañ-tatpuruṣa (an+antaḥsaṃsaṅga)

• an – not, non-
  indeclinable
  Negative prefix (used before vowels).
• antaḥsaṃsaṅga – internal attachment, inner association
  noun (masculine)
  Prefix: sam
  Root: sañj (class 1)

Note: Object of `viddhi`.

अङ्गानाम् (aṅgānām) - of the body parts, of the limbs, of the body

(noun)

Genitive, neuter, plural of aṅga

aṅga - limb, body part, body, constituent

Note: Connected to `antaḥsaṃsaṅgam` and `anantaḥsaṃsaṅgam`.

विद्धि (viddhi) - know, understand

(verb)

2nd person , singular, active, imperative (loṭ) of vid

imperative

2nd person singular imperative from root `vid` (class 2 `vid` 'to know').

Root: vid (class 2)

राम (rāma) - O Rāma

(proper noun)

Vocative, masculine, singular of rāma

rāma - Rāma (a proper name, an epithet of Viṣṇu)

Root: ram (class 1)

Note: Addressing Rāma.

रसायनम् (rasāyanam) - elixir, tonic, rejuvenator

(noun)

Accusative, neuter, singular of rasāyana

rasāyana - elixir, tonic, rejuvenator, chemical process (alchemy), medicinal preparation

`rasa` (essence) + `ayana` (course, path).

Compound type : tatpuruṣa (rasa+ayana)

• rasa – essence, juice, taste, sentiment
  noun (masculine)
  Root: ras (class 1)
• ayana – going, path, course, movement
  noun (neuter)
  From root `i` (to go) + `ana` suffix.
  Root: i (class 2)

Note: Predicate accusative with `viddhi`.