योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-176, verse-3

या कथावगतात्मभ्यां शब्दार्थाभ्यां निगद्यते ।
बुध्यते सेतरा नान्तः सैवेह व्यवहारिणी ॥ ३ ॥

yā kathāvagatātmabhyāṃ śabdārthābhyāṃ nigadyate ,
budhyate setarā nāntaḥ saiveha vyavahāriṇī 3

3. yā kathā avagata-ātmabhyām śabdārthābhyām nigadyate
budhyate sā itarā na antaḥ sā eva iha vyavahāriṇī

3. yā kathā avagata-ātmabhyām śabdārthābhyām nigadyate
sā budhyate itarā antaḥ na sā eva iha vyavahāriṇī

3. That narration which is conveyed through words and meanings by those who have realized the Self (ātman) — that alone is truly understood; any other (type of narration) is not grasped internally. That alone is practical here.

Words meanings summery:

• या (yā) - which, who (feminine singular)

• कथा (kathā) - story, narration, tale

• अवगत-आत्मभ्याम् (avagata-ātmabhyām) - Refers to the speaker and listener who have profound spiritual understanding. (by those two who have understood the Self (ātman), by two with a realized Self)

• शब्दार्थाभ्याम् (śabdārthābhyām) - by word and meaning, by means of words and their meanings

• निगद्यते (nigadyate) - is narrated, is told, is spoken

• बुध्यते (budhyate) - is understood, is awakened, knows

• सा (sā) - Refers to 'yā kathā' (that narration) (that (feminine singular))

• इतरा (itarā) - Refers to a different or superficial understanding/narration. (other, different, the other one)

• न (na) - not

• अन्तः (antaḥ) - within, internally, inside

• सा (sā) - Refers to 'yā kathā' (that narration) (that (feminine singular))

• एव (eva) - only, alone, indeed

• इह (iha) - here, in this world, in this matter

• व्यवहारिणी (vyavahāriṇī) - practical, applicable, dealing with, conventional

Words meanings and morphology

या (yā) - which, who (feminine singular)

(pronoun)

Nominative, feminine, singular of yad

yad - which, who, what

कथा (kathā) - story, narration, tale

(noun)

Nominative, feminine, singular of kathā

kathā - story, tale, narration, conversation

Root: kath (class 10)

अवगत-आत्मभ्याम् (avagata-ātmabhyām) - Refers to the speaker and listener who have profound spiritual understanding. (by those two who have understood the Self (ātman), by two with a realized Self)

(adjective)

Instrumental, dual of avagata-ātman

avagata-ātman - one whose Self is understood/realized, one with a comprehended inner nature

Compound type : bahuvrīhi (avagata+ātman)

• avagata – understood, known, comprehended
  adjective (masculine)
  Past Passive Participle
  From root 'gam' with prefix 'ava'
  Prefix: ava
  Root: gam (class 1)
• ātman – Self, soul, essence, true nature
  noun (masculine)

Note: Agrees with an implied agent (e.g., 'guruśiṣyābhyām')

शब्दार्थाभ्याम् (śabdārthābhyām) - by word and meaning, by means of words and their meanings

(noun)

Instrumental, masculine, dual of śabdārtha

śabdārtha - word and meaning

Compound type : itaretara-dvandva (śabda+artha)

• śabda – word, sound
  noun (masculine)
• artha – meaning, purpose, object
  noun (masculine)

निगद्यते (nigadyate) - is narrated, is told, is spoken

(verb)

3rd person , singular, passive, present (lat) of nigad

Passive voice, Present tense, 3rd person singular

Prefix: ni

Root: gad (class 1)

बुध्यते (budhyate) - is understood, is awakened, knows

(verb)

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

Present tense, 3rd person singular, Middle voice (Ātmanepada)

Root: budh (class 4)

सा (sā) - Refers to 'yā kathā' (that narration) (that (feminine singular))

(pronoun)

Nominative, feminine, singular of tad

tad - that, she, it

इतरा (itarā) - Refers to a different or superficial understanding/narration. (other, different, the other one)

(adjective)

Nominative, feminine, singular of itara

itara - other, another, different, rest

न (na) - not

(indeclinable)

अन्तः (antaḥ) - within, internally, inside

(indeclinable)

Note: Used adverbially

सा (sā) - Refers to 'yā kathā' (that narration) (that (feminine singular))

(pronoun)

Nominative, feminine, singular of tad

tad - that, she, it

एव (eva) - only, alone, indeed

(indeclinable)

इह (iha) - here, in this world, in this matter

(indeclinable)

व्यवहारिणी (vyavahāriṇī) - practical, applicable, dealing with, conventional

(adjective)

Nominative, feminine, singular of vyavahāriṇ

vyavahāriṇ - practical, conventional, dealing with, customary

Derived from 'vyavahāra' (practice, custom)