योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-32, verse-20

यो यो बोधातिशयवांस्तं तं पृथगुपास्व भो ।
संगमे कथयोदेति तेषां वादपिशाचिका ॥ २० ॥

yo yo bodhātiśayavāṃstaṃ taṃ pṛthagupāsva bho ,
saṃgame kathayodeti teṣāṃ vādapiśācikā 20

20. yaḥ yaḥ bodha-atiśaya-vān tam tam pṛthak upāsva
bho | saṅgame kathayā ud-eti teṣām vāda-piśācikā ||

20. yaḥ yaḥ bodha-atiśaya-vān (asti),
tam tam pṛthak upāsva bho teṣām saṅgame (hi) kathayā vāda-piśācikā ud-eti

20. Whoever possesses an abundance of wisdom, serve each such person individually, O friend! (For) in their gatherings, through discussion, a demon of debate (vāda-piśācikā) tends to arise among them.

Words meanings summery:

• यः (yaḥ) - who, whoever

• यः (yaḥ) - who, whoever

• बोध-अतिशय-वान् (bodha-atiśaya-vān) - whoever possesses an abundance of wisdom or realization (having an abundance of knowledge/realization)

• तम् (tam) - him, that one

• तम् (tam) - him, that one

• पृथक् (pṛthak) - separately, individually, apart

• उपास्व (upāsva) - serve, worship, attend upon

• भो (bho) - O! (vocative particle)

• सङ्गमे (saṅgame) - in a gathering, in company, in an assembly

• कथया (kathayā) - by talk, by discussion, by speech

• उद्-एति (ud-eti) - arises, comes forth, goes up

• तेषाम् (teṣām) - of them

• वाद-पिशाचिका (vāda-piśācikā) - a demoness of debate, a contentious spirit

Words meanings and morphology

यः (yaḥ) - who, whoever

(pronoun)

Nominative, masculine, singular of yad

yad - who, which, what

यः (yaḥ) - who, whoever

(pronoun)

Nominative, masculine, singular of yad

yad - who, which, what

बोध-अतिशय-वान् (bodha-atiśaya-vān) - whoever possesses an abundance of wisdom or realization (having an abundance of knowledge/realization)

(adjective)

Nominative, masculine, singular of bodha-atiśaya-vat

bodha-atiśaya-vat - possessing an excess of knowledge/understanding

Derived with the possessive suffix -vat.

Compound type : bahuvrīhi (bodha+atiśaya)

• bodha – knowledge, understanding, awakening, realization
  noun (masculine)
  Root: budh (class 1)
• atiśaya – excess, abundance, superiority, greatness
  noun (masculine)
  Prefix: ati

तम् (tam) - him, that one

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

तम् (tam) - him, that one

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

पृथक् (pṛthak) - separately, individually, apart

(indeclinable)

उपास्व (upāsva) - serve, worship, attend upon

(verb)

2nd person , singular, middle, imperative (loṭ) of upās

Prefix: upa

Root: ās (class 2)

भो (bho) - O! (vocative particle)

(indeclinable)

सङ्गमे (saṅgame) - in a gathering, in company, in an assembly

(noun)

Locative, masculine, singular of saṅgama

saṅgama - meeting, coming together, assembly, union

Prefix: sam

Root: gam (class 1)

कथया (kathayā) - by talk, by discussion, by speech

(noun)

Instrumental, feminine, singular of kathā

kathā - talk, story, discourse, discussion

Root: kath (class 10)

उद्-एति (ud-eti) - arises, comes forth, goes up

(verb)

3rd person , singular, active, present (laṭ) of ud-i

Prefix: ud

Root: i (class 2)

तेषाम् (teṣām) - of them

(pronoun)

Genitive, masculine, plural of tad

tad - that, he, she, it

वाद-पिशाचिका (vāda-piśācikā) - a demoness of debate, a contentious spirit

(noun)

Nominative, feminine, singular of vāda-piśācikā

vāda-piśācikā - a demoness of debate/contention

Compound type : tatpuruṣa (vāda+piśācikā)

• vāda – debate, discussion, argument, dispute
  noun (masculine)
  Root: vad (class 1)
• piśācikā – demoness, she-devil, mischievous spirit
  noun (feminine)