योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-86, verse-27

विदेहकेवलीभावे सीमन्ते जन्मकर्मणाम् ।
संसारसङ्गसंत्यागरसासवनवेच्छया ॥ २७ ॥

videhakevalībhāve sīmante janmakarmaṇām ,
saṃsārasaṅgasaṃtyāgarasāsavanavecchayā 27

27. videhakevalībhāve sīmante janmakarmaṇām
| saṃsārasaṅgasaṃtyāgarasāsavanavecchayā

27. (He resided) janmakarmaṇām sīmante videhakevalībhāve
saṃsārasaṅgasaṃtyāgarasāsavanavecchayā

27. He resided in a state of disembodied aloneness, at the ultimate boundary of births and actions (karma), motivated by the new desire for the pure, fresh taste of complete detachment from the entanglement of worldly existence (saṃsāra).

Words meanings summery:

• विदेहकेवलीभावे (videhakevalībhāve) - in the state of being utterly disembodied and in absolute isolation (kevalī) (in the state of being disembodied and isolated (alone))

• सीमन्ते (sīmante) - at the ultimate boundary or threshold (at the boundary, at the limit, on the border)

• जन्मकर्मणाम् (janmakarmaṇām) - of the cycles of birth and subsequent actions (karma) (of births and actions (karma))

• संसारसङ्गसंत्यागरसासवनवेच्छया (saṁsārasaṅgasaṁtyāgarasāsavanavecchayā) - by the desire for the pure, new experience of complete relinquishment of attachment to worldly existence (saṃsāra) (by the new desire for the fresh taste of complete abandonment of attachment to saṃsāra)

Words meanings and morphology

विदेहकेवलीभावे (videhakevalībhāve) - in the state of being utterly disembodied and in absolute isolation (kevalī) (in the state of being disembodied and isolated (alone))

(noun)

Locative, masculine, singular of videhakevalībhāva

videhakevalībhāva - state of being disembodied and isolated, absolute spiritual liberation

compound: videha (disembodied) + kevalī (isolated, absolute) + bhāva (state)

Compound type : karmadhāraya (videha+kevalī+bhāva)

• videha – bodiless, disembodied, incorporeal
  adjective (masculine)
  vi (without) + deha (body)
  Prefix: vi
• kevalī – absolute, isolated, sole, unique
  adjective (feminine)
  from kevala (alone, only), feminine form
• bhāva – state, existence, being, nature
  noun (masculine)
  verbal noun
  from root bhū (to be)
  Root: bhū (class 1)

Note: Refers to the state of ultimate liberation (mokṣa) or disembodied state.

सीमन्ते (sīmante) - at the ultimate boundary or threshold (at the boundary, at the limit, on the border)

(noun)

Locative, masculine, singular of sīmanta

sīmanta - boundary, limit, frontier, border

जन्मकर्मणाम् (janmakarmaṇām) - of the cycles of birth and subsequent actions (karma) (of births and actions (karma))

(noun)

Genitive, neuter, plural of janmakarma

janmakarma - birth and action, the cycle of birth and its resultant actions

dvandva compound: janma (birth) + karma (action)

Compound type : dvandva (janma+karma)

• janma – birth, origin, existence
  noun (neuter)
  verbal noun
  from root jan (to be born)
  Root: jan (class 4)
• karma – action, deed, ritual, consequence of action
  noun (neuter)
  verbal noun
  from root kṛ (to do)
  Root: kṛ (class 8)

Note: The plural form implies the entirety of multiple births and their associated actions.

संसारसङ्गसंत्यागरसासवनवेच्छया (saṁsārasaṅgasaṁtyāgarasāsavanavecchayā) - by the desire for the pure, new experience of complete relinquishment of attachment to worldly existence (saṃsāra) (by the new desire for the fresh taste of complete abandonment of attachment to saṃsāra)

(noun)

Instrumental, feminine, singular of saṃsārasaṅgasaṃtyāgarasāsavanavecchā

saṁsārasaṅgasaṁtyāgarasāsavanavecchā - new desire for the fresh taste of complete abandonment of attachment to saṃsāra

long compound: saṃsārasaṅga (attachment to saṃsāra) + saṃtyāga (complete abandonment) + rasāsavana (fresh taste) + navecchā (new desire)

Compound type : tatpurusha (saṃsārasaṅga+saṃtyāga+rasāsavana+navecchā)

• saṃsāra – cycle of rebirth, worldly existence, transmigration
  noun (masculine)
  verbal noun
  from root sṛ (to flow) with prefix sam
  Prefix: sam
  Root: sṛ (class 1)
• saṅga – attachment, clinging, association
  noun (masculine)
  verbal noun
  from root sañj (to cling, adhere)
  Root: sañj (class 1)
• saṃtyāga – complete abandonment, renunciation, relinquishment
  noun (masculine)
  verbal noun
  from root tyaj (to abandon) with prefix sam
  Prefix: sam
  Root: tyaj (class 1)
• rasāsavana – fresh taste, pure essence, new flavor
  noun (neuter)
  compound: rasa (taste, essence) + āsavana (fresh, pure; literally 'not from soma' or 'not born')
  Prefix: ā
• navecchā – new desire, fresh longing
  noun (feminine)
  nava (new) + icchā (desire)

Note: This compound in instrumental case describes the means or motivation for the sage's state.