योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-80, verse-23

सर्वभूतनरैः सार्धं ब्रह्मणा परमेयुषा ।
यदासौ संपरित्यक्तस्तदा स्वां मूर्तिमागतः ॥ २३ ॥

sarvabhūtanaraiḥ sārdhaṃ brahmaṇā parameyuṣā ,
yadāsau saṃparityaktastadā svāṃ mūrtimāgataḥ 23

23. sarvabhūtanaraiḥ sārdham brahmaṇā parameyuṣā
yadā asau samparityaktaḥ tadā svām mūrtim āgataḥ

23. yadā asau sarvabhūtanaraiḥ brahmaṇā parameyuṣā
sārdham samparityaktaḥ tadā svām mūrtim āgataḥ

23. When he (the being in question) was completely abandoned by Brahmā, who had attained the supreme state, along with all beings and men, then he assumed his own form.

Words meanings summery:

• सर्वभूतनरैः (sarvabhūtanaraiḥ) - by all beings and men

• सार्धम् (sārdham) - together with, along with

• ब्रह्मणा (brahmaṇā) - by Brahmā

• परमेयुषा (parameyuṣā) - who had attained the highest, who had reached the supreme

• यदा (yadā) - when, at which time

• असौ (asau) - he, that one

• सम्परित्यक्तः (samparityaktaḥ) - completely abandoned, forsaken

• तदा (tadā) - then, at that time

• स्वाम् (svām) - his own

• मूर्तिम् (mūrtim) - form, body, image

• आगतः (āgataḥ) - came, arrived, attained

Words meanings and morphology

सर्वभूतनरैः (sarvabhūtanaraiḥ) - by all beings and men

(noun)

Instrumental, masculine, plural of sarvabhūtanara

sarvabhūtanara - all beings and men

Compound of `sarva`, `bhūta`, and `nara`.

Compound type : dvandva (sarvabhūta+nara)

• sarva – all, every
  pronoun/adjective (masculine)
• bhūta – being, creature, element
  noun (neuter)
  Past Passive Participle
  Past passive participle of `bhū` (to be, become)
  Root: bhū (class 1)
• nara – man, human being
  noun (masculine)

सार्धम् (sārdham) - together with, along with

(indeclinable)

ब्रह्मणा (brahmaṇā) - by Brahmā

(proper noun)

Instrumental, masculine, singular of brahman

brahman - Brahmā (the creator deity), the absolute reality (brahman)

Note: `n`-stem declension.

परमेयुषा (parameyuṣā) - who had attained the highest, who had reached the supreme

(participle)

Instrumental, masculine, singular of parameyuṣ

parameyuṣ - one who has gone to the highest, attained the supreme

Perfect Active Participle

Compound of `parama` and `iyuṣ` (perfect active participle of root `i`).

Compound type : tatpuruṣa (parama+iyuṣ)

• parama – highest, supreme, excellent
  adjective (masculine)
• iyuṣ – having gone, having arrived
  participle (masculine)
  Perfect Active Participle
  Perfect active participle of root `i`.
  Root: i (class 2)

Note: Qualifies `brahmaṇā`.

यदा (yadā) - when, at which time

(indeclinable)

Note: Temporal adverb.

असौ (asau) - he, that one

(pronoun)

Nominative, masculine, singular of adas

adas - that, this, he, she, it (referring to something distant or previously mentioned)

Note: `adas` masculine singular nominative.

सम्परित्यक्तः (samparityaktaḥ) - completely abandoned, forsaken

(participle)

Nominative, masculine, singular of samparityakta

samparityakta - completely abandoned, forsaken

Past Passive Participle

Past passive participle of root `tyaj` with prefixes `sam` and `pari`.

Prefixes: sam+pari

Root: tyaj (class 1)

Note: Qualifies `asau`.

तदा (tadā) - then, at that time

(indeclinable)

Note: Temporal adverb.

स्वाम् (svām) - his own

(adjective)

Accusative, feminine, singular of sva

sva - own, one's own

Note: Qualifies `mūrtim`.

मूर्तिम् (mūrtim) - form, body, image

(noun)

Accusative, feminine, singular of mūrti

mūrti - form, shape, body, image, manifestation

Root: mūrcch (class 1)

Note: Object of `āgataḥ`.

आगतः (āgataḥ) - came, arrived, attained

(participle)

Nominative, masculine, singular of āgata

āgata - come, arrived, approached, attained

Past Passive Participle

Past passive participle of root `gam` with prefix `ā`.

Prefix: ā

Root: gam (class 1)

Note: Functions as a finite verb.