योगवासिष्ठः yogavāsiṣṭhaḥ - book-1, chapter-12, verse-23

शून्या मन्मुखवृत्तीस्ताः शुष्करोदननीरसाः ।
विवेक एव हृत्संस्थो ममैकान्तेषु पश्यति ॥ २३ ॥

śūnyā manmukhavṛttīstāḥ śuṣkarodananīrasāḥ ,
viveka eva hṛtsaṃstho mamaikānteṣu paśyati 23

23. śūnyāḥ matmukhavṛttīḥ tāḥ śuṣkarodanānīrasāḥ
vivekaḥ eva hṛtsaṃsthaḥ mama ekānteṣu paśyati

23. Only my discrimination (viveka), which dwells within my heart, truly perceives in my moments of solitude those empty and lifeless expressions of my face, made dull by futile, dry weeping.

Words meanings summery:

• शून्याः (śūnyāḥ) - empty, vacant, futile, devoid of meaning

• मत्मुखवृत्तीः (matmukhavṛttīḥ) - my facial expressions, my mental dispositions

• ताः (tāḥ) - those

• शुष्करोदनानीरसाः (śuṣkarodanānīrasāḥ) - devoid of life/essence due to dry weeping

• विवेकः (vivekaḥ) - discrimination, discernment, discretion, judgment

• एव (eva) - only, just, indeed, merely

• हृत्संस्थः (hṛtsaṁsthaḥ) - residing in the heart, heart-dwelling

• मम (mama) - my, of me

• एकान्तेषु (ekānteṣu) - in solitary places, in moments of solitude

• पश्यति (paśyati) - he/she/it sees, perceives, observes

Words meanings and morphology

शून्याः (śūnyāḥ) - empty, vacant, futile, devoid of meaning

(adjective)

Accusative, feminine, plural of śūnya

śūnya - empty, void, deserted, futile, non-existent

Root: śū (class 1)

मत्मुखवृत्तीः (matmukhavṛttīḥ) - my facial expressions, my mental dispositions

(noun)

Accusative, feminine, plural of matmukhavṛtti

matmukhavṛtti - my facial expression or mental activity

Compound type : Tatpurusha (mat+mukha+vṛtti)

• mat – my, me (stem form of asmad)
  pronoun
• mukha – face, mouth, front
  noun (neuter)
• vṛtti – activity, function, mode of being, disposition, facial expression
  noun (feminine)
  Root: vṛt (class 1)

ताः (tāḥ) - those

(pronoun)

Accusative, feminine, plural of tad

tad - that, those (demonstrative pronoun)

शुष्करोदनानीरसाः (śuṣkarodanānīrasāḥ) - devoid of life/essence due to dry weeping

(adjective)

Accusative, feminine, plural of śuṣkarodanānīrasa

śuṣkarodanānīrasa - devoid of sap/vitality due to dry weeping

Compound type : Bahuvrihi (śuṣka+rodana+nīrasa)

• śuṣka – dry, dried up, withered
  adjective
  Past Passive Participle
  Derived from root śuṣ (4P) 'to dry, wither'.
  Root: śuṣ (class 4)
• rodana – weeping, crying
  noun (neuter)
  Root: rud (class 2)
• nīrasa – devoid of sap/juice, tasteless, insipid, dull, lifeless
  adjective
  Prefix: niḥ

विवेकः (vivekaḥ) - discrimination, discernment, discretion, judgment

(noun)

Nominative, masculine, singular of viveka

viveka - discrimination, discernment, wisdom to distinguish between real and unreal

Prefix: vi

Root: vic (class 6)

एव (eva) - only, just, indeed, merely

(indeclinable)

हृत्संस्थः (hṛtsaṁsthaḥ) - residing in the heart, heart-dwelling

(adjective)

Nominative, masculine, singular of hṛtsaṃstha

hṛtsaṁstha - situated in the heart

Compound type : Tatpurusha (hṛd+saṃstha)

• hṛd – heart
  noun (neuter)
• saṃstha – standing in, residing in, situated
  adjective
  Derived from root sthā (1P) with prefix sam.
  Prefix: sam
  Root: sthā (class 1)

मम (mama) - my, of me

(pronoun)

Genitive, singular of asmad

asmad - I, me, my (first person pronoun)

एकान्तेषु (ekānteṣu) - in solitary places, in moments of solitude

(noun)

Locative, masculine, plural of ekānta

ekānta - solitary, lonely, private; a solitary place, privacy

Compound type : Tatpurusha (eka+anta)

• eka – one, alone, solitary
  numeral/adjective
• anta – end, boundary, vicinity, proximity, solitude
  noun (masculine)
  Root: ant (class 1)

पश्यति (paśyati) - he/she/it sees, perceives, observes

(verb)

3rd person , singular, active, present indicative (laṭ) of dṛś

Present stem is paśya.

Root: dṛś (class 1)