योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-78, verse-49

विकल्पांशक्षयाज्जन्तोः पदं तदवशिष्यते ।
यतो वाचो निवर्तन्ते समस्तकलनान्विताः ॥ ४९ ॥

vikalpāṃśakṣayājjantoḥ padaṃ tadavaśiṣyate ,
yato vāco nivartante samastakalanānvitāḥ 49

49. vikalpāṃśakṣayāt jantoḥ padam tat avaśiṣyate
yataḥ vācaḥ nivartante samastakalanānvitāḥ

49. jantoḥ vikalpāṃśakṣayāt tat padam avaśiṣyate
yataḥ samastakalanānvitāḥ vācaḥ nivartante

49. When the constituents of mental constructs (vikalpa) cease for a living being, that supreme state remains, from which all words, along with their conceptualizations, turn back without reaching it.

Words meanings summery:

• विकल्पांशक्षयात् (vikalpāṁśakṣayāt) - from the destruction of the parts of mental constructs, due to the cessation of conceptual divisions

• जन्तोः (jantoḥ) - of a living being, of a creature, of a man

• पदम् (padam) - The ultimate or supreme state of being (state, position, abode, supreme state, word, footstep)

• तत् (tat) - Refers to the 'state' (padam) (that, it)

• अवशिष्यते (avaśiṣyate) - remains, is left over, survives

• यतः (yataḥ) - from which, whence, because

• वाचः (vācaḥ) - words, speech, voice

• निवर्तन्ते (nivartante) - Implying that words cannot describe or reach that state (turn back, return, desist from, cease)

• समस्तकलनान्विताः (samastakalanānvitāḥ) - accompanied by all conceptualizations, endowed with all calculations

Words meanings and morphology

विकल्पांशक्षयात् (vikalpāṁśakṣayāt) - from the destruction of the parts of mental constructs, due to the cessation of conceptual divisions

(noun)

Ablative, masculine, singular of vikalpāṃśakṣaya

vikalpāṁśakṣaya - destruction of the parts of mental constructs, cessation of conceptual divisions

Compound type : tatpuruṣa (vikalpa+aṃśa+kṣaya)

• vikalpa – mental construct, conceptualization, doubt, alternative, differentiation (vikalpa)
  noun (masculine)
  Derived from root kḷp (to arrange) with prefix vi-
  Prefix: vi
  Root: kḷp (class 1)
• aṃśa – part, portion, constituent, share
  noun (masculine)
• kṣaya – destruction, decay, cessation, loss, waste
  noun (masculine)
  Derived from root kṣi (to destroy, to cease)
  Root: kṣi (class 1)

जन्तोः (jantoḥ) - of a living being, of a creature, of a man

(noun)

Genitive, masculine, singular of jantu

jantu - living being, creature, man, people

Derived from root jan (to be born)

Root: jan (class 4)

पदम् (padam) - The ultimate or supreme state of being (state, position, abode, supreme state, word, footstep)

(noun)

Nominative, neuter, singular of pada

pada - state, position, abode, supreme state, word, footstep

तत् (tat) - Refers to the 'state' (padam) (that, it)

(pronoun)

Nominative, neuter, singular of tad

tad - that, he, she, it

अवशिष्यते (avaśiṣyate) - remains, is left over, survives

(verb)

3rd person , singular, middle, present (lat) of avaśiṣ

Prefix: ava

Root: śiṣ (class 7)

यतः (yataḥ) - from which, whence, because

(indeclinable)

Note: Ablative singular form used as an indeclinable 'from which'

वाचः (vācaḥ) - words, speech, voice

(noun)

Nominative, feminine, plural of vāc

vāc - word, speech, voice, language

Root: vac (class 2)

निवर्तन्ते (nivartante) - Implying that words cannot describe or reach that state (turn back, return, desist from, cease)

(verb)

3rd person , plural, middle, present (lat) of nivṛt

Prefix: ni

Root: vṛt (class 1)

समस्तकलनान्विताः (samastakalanānvitāḥ) - accompanied by all conceptualizations, endowed with all calculations

(adjective)

Nominative, feminine, plural of samastakalanānvita

samastakalanānvita - accompanied by all conceptualizations, endowed with all calculations

Compound type : bahuvrīhi (samasta+kalanā+anvita)

• samasta – all, entire, whole, complete
  adjective (masculine)
• kalanā – conceptualization, calculation, understanding, apprehension
  noun (feminine)
  Derived from root kal (to calculate, to know)
  Root: kal (class 1)
• anvita – accompanied by, connected with, endowed with, possessed of
  participle (masculine)
  Past Passive Participle
  Derived from root i (to go) with prefix anu- and suffix -ta
  Prefix: anu
  Root: i (class 2)

Note: Modifies 'vācaḥ'