योगवासिष्ठः yogavāsiṣṭhaḥ - book-2, chapter-18, verse-64

उपमेयस्योपमानादेकांशेन सधर्मता ।
अङ्गीकार्यावबोधाय धीमता निर्विवादिना ॥ ६४ ॥

upameyasyopamānādekāṃśena sadharmatā ,
aṅgīkāryāvabodhāya dhīmatā nirvivādinā 64

64. upameyasya upamānāt ekāṃśena sadharmatā
aṅgīkāryā avabodhāya dhīmatā nirvivādinā

64. avabodhāya dhīmatā nirvivādinā upameyasya
upamānāt ekāṃśena sadharmatā aṅgīkāryā

64. For the sake of understanding, an intelligent (dhīmat) and non-contentious person should accept a similarity (sadharmatā) in one aspect between the object being compared (upameya) and the object of comparison (upamāna).

Words meanings summery:

• उपमेयस्य (upameyasya) - of the object to be compared, of the subject of comparison

• उपमानात् (upamānāt) - from the object of comparison, from the standard of comparison

• एकांशेन (ekāṁśena) - by one part, in one aspect

• सधर्मता (sadharmatā) - similarity, common characteristic, common property

• अङ्गीकार्या (aṅgīkāryā) - should be accepted, to be acknowledged, must be admitted

• अवबोधाय (avabodhāya) - for understanding, for comprehension

• धीमता (dhīmatā) - by the intelligent one, by the wise person

• निर्विवादिना (nirvivādinā) - by the non-contentious one, by the one free from dispute

Words meanings and morphology

उपमेयस्य (upameyasya) - of the object to be compared, of the subject of comparison

(noun)

Genitive, neuter, singular of upameya

upameya - object to be compared, subject of comparison

Gerundive / Future Passive Participle

From root mā (to measure) with prefix upa- and suffix -eya.

Prefix: upa

Root: mā (class 2)

उपमानात् (upamānāt) - from the object of comparison, from the standard of comparison

(noun)

Ablative, neuter, singular of upamāna

upamāna - object of comparison, standard of comparison, analogy

From root mā (to measure) with prefix upa- and suffix -ana.

Prefix: upa

Root: mā (class 2)

एकांशेन (ekāṁśena) - by one part, in one aspect

(noun)

Instrumental, masculine, singular of ekāṃśa

ekāṁśa - one part, a single aspect

Compound of 'eka' (one) and 'aṃśa' (part, aspect).

Compound type : karmadhāraya (eka+aṃśa)

• eka – one, single, sole
  numeral
• aṃśa – part, portion, aspect, share
  noun (masculine)
  From root aṃś- 'to divide'
  Root: aṃś (class 1)

सधर्मता (sadharmatā) - similarity, common characteristic, common property

(noun)

Nominative, feminine, singular of sadharmatā

sadharmatā - similarity, common characteristic or nature

Formed from 'sādharmya' with suffix '-tā' (abstract noun), or from 'sa-dharma' with '-tā'.

अङ्गीकार्या (aṅgīkāryā) - should be accepted, to be acknowledged, must be admitted

(adjective)

Nominative, feminine, singular of aṅgīkārya

aṅgīkārya - to be accepted, to be admitted, to be acknowledged

Gerundive / Future Passive Participle

From the verbal root aṅgīkṛ (to accept) + suffix -ya.

Root: kṛ (class 8)

अवबोधाय (avabodhāya) - for understanding, for comprehension

(noun)

Dative, masculine, singular of avabodha

avabodha - understanding, comprehension, knowledge

From root budh (to know) with prefix ava-.

Prefix: ava

Root: budh (class 1)

धीमता (dhīmatā) - by the intelligent one, by the wise person

(adjective)

Instrumental, masculine, singular of dhīmat

dhīmat - intelligent, wise, sagacious

Possessive adjective formed from 'dhī' (intellect) + suffix '-mat'.

निर्विवादिना (nirvivādinā) - by the non-contentious one, by the one free from dispute

(adjective)

Instrumental, masculine, singular of nirvivādin

nirvivādin - non-contentious, not arguing, free from dispute

Compound of 'nir-' (without) and 'vivādin' (disputant, litigant).

Compound type : nañ-bahuvrīhi (nis+vivādin)

• nis – without, out, free from
  indeclinable
  Prefix
• vivādin – disputant, one who argues, litigious
  adjective (masculine)
  Agent noun/adjective from vivāda
  From vi- + vad (to speak, to argue)
  Prefix: vi
  Root: vad (class 1)