योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-6, verse-10

तयोः कीदृग्विधा भूता समानसुखदुःखता ।
यौ समौ समधर्माणौ न कदाचन तौ कथम् ॥ १० ॥

tayoḥ kīdṛgvidhā bhūtā samānasukhaduḥkhatā ,
yau samau samadharmāṇau na kadācana tau katham 10

10. tayoḥ kīdṛkvidhā bhūtā samānasukhaduḥkhatā
yau samau samadharmāṇau na kadācana tau katham

10. tayoḥ samānasukhaduḥkhatā kīdṛkvidhā bhūtā? yau samau samadharmāṇau,
tau na kadācana katham (syātām)?

10. What kind of equality in pleasure and pain (samanasukhaduḥkhatā) could possibly arise between those two (consciousness and inertness)? Indeed, how could those two ever be equal and possess the same intrinsic nature (dharma)? Never!

Words meanings summery:

• तयोः (tayoḥ) - of the two (consciousness and inertness) discussed previously (of those two)

• कीदृक्विधा (kīdṛkvidhā) - of what kind, of what nature

• भूता (bhūtā) - arisen, become, happened

• समानसुखदुःखता (samānasukhaduḥkhatā) - equality in pleasure and pain, shared joy and sorrow

• यौ (yau) - which two (referring to consciousness and inertness) (which two)

• समौ (samau) - equal, similar, same

• समधर्माणौ (samadharmāṇau) - having the same intrinsic nature (dharma), of equal nature

• न (na) - not

• कदाचन (kadācana) - never, at no time

• तौ (tau) - those two (consciousness and inertness) (those two)

• कथम् (katham) - used rhetorically, implying impossibility or absurdity (how, why)

Words meanings and morphology

तयोः (tayoḥ) - of the two (consciousness and inertness) discussed previously (of those two)

(pronoun)

Genitive, dual of tad

tad - that, that one, it

कीदृक्विधा (kīdṛkvidhā) - of what kind, of what nature

(adjective)

Nominative, feminine, singular of kīdṛkvidha

kīdṛkvidha - of what kind, of what sort, of what nature

Compound type : karmadhāraya (kīdṛś+vidhā)

• kīdṛś – of what sort, what kind of
  interrogative adjective
• vidhā – kind, sort, manner, way
  noun (feminine)

भूता (bhūtā) - arisen, become, happened

(adjective)

Nominative, feminine, singular of bhūta

bhūta - been, become, existing, past; a being, creature, element

Past Passive Participle

derived from root bhū (to be, become)

Root: bhū (class 1)

समानसुखदुःखता (samānasukhaduḥkhatā) - equality in pleasure and pain, shared joy and sorrow

(noun)

Nominative, feminine, singular of samānasukhaduḥkhatā

samānasukhaduḥkhatā - the state of having equal pleasure and pain, equality in joy and sorrow

Compound type : tatpuruṣa (samāna+sukhaduḥkha+tā)

• samāna – equal, similar, same
  adjective
• sukhaduḥkha – pleasure and pain, joy and sorrow
  noun (neuter)
• tā – suffix for abstract nouns, -ness, -hood
  suffix (feminine)

यौ (yau) - which two (referring to consciousness and inertness) (which two)

(pronoun)

Nominative, masculine, dual of yad

yad - which, what, whatever

समौ (samau) - equal, similar, same

(adjective)

Nominative, masculine, dual of sama

sama - equal, same, similar, like

समधर्माणौ (samadharmāṇau) - having the same intrinsic nature (dharma), of equal nature

(adjective)

Nominative, masculine, dual of samadharman

samadharman - having the same intrinsic nature, of equal dharma, having similar properties

Compound type : bahuvrīhi (samāna+dharman)

• samāna – equal, similar, same
  adjective
• dharman – intrinsic nature, natural law, quality, characteristic, right conduct
  noun (masculine)

न (na) - not

(indeclinable)

कदाचन (kadācana) - never, at no time

(indeclinable)

तौ (tau) - those two (consciousness and inertness) (those two)

(pronoun)

Nominative, masculine, dual of tad

tad - that, that one, it

कथम् (katham) - used rhetorically, implying impossibility or absurdity (how, why)

(indeclinable)