योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-56, verse-21

चेतसा संपरित्यज्य सर्वभावात्मभावनाम् ।
यथा तिष्ठसि तिष्ठ त्वं तथा शैले गृहेऽथवा ॥ २१ ॥

cetasā saṃparityajya sarvabhāvātmabhāvanām ,
yathā tiṣṭhasi tiṣṭha tvaṃ tathā śaile gṛhe'thavā 21

21. cetasā samparityajya sarva-bhāva-ātma-bhāvanām
yathā tiṣṭhasi tiṣṭha tvam tathā śaile gṛhe athavā

21. tvam cetasā sarva-bhāva-ātma-bhāvanām samparityajya
yathā tiṣṭhasi tathā śaile athavā gṛhe tiṣṭha

21. Having completely abandoned with your mind the identification of yourself with all existing things, simply remain as you are, whether on a mountain or in a house.

Words meanings summery:

• चेतसा (cetasā) - by the mind, with the mind

• सम्परित्यज्य (samparityajya) - having completely abandoned

• सर्व-भाव-आत्म-भावनाम् (sarva-bhāva-ātma-bhāvanām) - the notion of oneself as all beings/existence, identifying oneself with all forms of existence

• यथा (yathā) - as, just as

• तिष्ठसि (tiṣṭhasi) - you remain, you stand

• तिष्ठ (tiṣṭha) - remain!, stand!

• त्वम् (tvam) - you

• तथा (tathā) - so, similarly

• शैले (śaile) - on a mountain, in a rock

• गृहे (gṛhe) - in a house, at home

• अथवा (athavā) - or

Words meanings and morphology

चेतसा (cetasā) - by the mind, with the mind

(noun)

Instrumental, neuter, singular of cetas

cetas - mind, consciousness, intellect

Root: cit (class 1)

सम्परित्यज्य (samparityajya) - having completely abandoned

(indeclinable)

Absolutive (gerund)

Formed from √tyaj (to abandon) with prefixes sam- and pari-

Prefixes: sam+pari

Root: tyaj (class 1)

सर्व-भाव-आत्म-भावनाम् (sarva-bhāva-ātma-bhāvanām) - the notion of oneself as all beings/existence, identifying oneself with all forms of existence

(noun)

Accusative, feminine, singular of sarva-bhāva-ātma-bhāvanā

sarva-bhāva-ātma-bhāvanā - the notion or contemplation of the self as all existence; identification with all forms of being

Compound type : Tatpurusha (sarva+bhāva+ātma+bhāvanā)

• sarva – all, every, entire
  adjective
• bhāva – being, existence, state, nature, feeling
  noun (masculine)
  Root: bhū (class 1)
• ātma – self, soul, spirit (stem of ātman)
  noun (masculine)
  Root: an (class 2)
• bhāvanā – notion, idea, conception, imagination, contemplation, identification
  noun (feminine)
  Root: bhū (class 1)

यथा (yathā) - as, just as

(indeclinable)

तिष्ठसि (tiṣṭhasi) - you remain, you stand

(verb)

2nd person , singular, active, present (laṭ) of sthā

Root: sthā (class 1)

तिष्ठ (tiṣṭha) - remain!, stand!

(verb)

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

Root: sthā (class 1)

त्वम् (tvam) - you

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you

तथा (tathā) - so, similarly

(indeclinable)

शैले (śaile) - on a mountain, in a rock

(noun)

Locative, masculine, singular of śaila

śaila - mountain, rock, hill

गृहे (gṛhe) - in a house, at home

(noun)

Locative, neuter, singular of gṛha

gṛha - house, home, dwelling

अथवा (athavā) - or

(indeclinable)