योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-45, verse-50

यत्रैकीभूय कचनं तत्र विश्राम्यतां बुधाः ।
बोधभूमिषु सिद्धानामर्थानां वा विवेकिनाम् ॥ ५० ॥

yatraikībhūya kacanaṃ tatra viśrāmyatāṃ budhāḥ ,
bodhabhūmiṣu siddhānāmarthānāṃ vā vivekinām 50

50. yatra ekībhūya kacanām tatra viśrāmyatām budhāḥ
bodhabhūmiṣu siddhānām arthānām vā vivekinām

50. budhāḥ yatra kacanām ekībhūya tatra viśrāmyatām
siddhānām vā vivekinām bodhabhūmiṣu arthānām

50. O wise ones, where a discussion becomes unified and one-pointed, there one should find repose (dhyāna). This principle holds true in the realms of understanding for the perfected ones (siddha) or for those who possess discrimination.

Words meanings summery:

• यत्र (yatra) - where, in which place

• एकीभूय (ekībhūya) - having become one, having been unified, having merged

• कचनाम् (kacanām) - discussion, talk, declaration

• तत्र (tatra) - there, in that place, in that case

• विश्राम्यताम् (viśrāmyatām) - let one rest, let repose be found, let one be established

• बुधाः (budhāḥ) - wise ones, learned people

• बोधभूमिषु (bodhabhūmiṣu) - in the realms of understanding, in the planes of knowledge

• सिद्धानाम् (siddhānām) - of the perfected ones, of those who have attained success

• अर्थानाम् (arthānām) - of (true) meanings (of meanings, of purposes, of objects)

• वा (vā) - or, either, and

• विवेकिनाम् (vivekinām) - of discriminating ones, of discerning individuals

Words meanings and morphology

यत्र (yatra) - where, in which place

(indeclinable)

एकीभूय (ekībhūya) - having become one, having been unified, having merged

(indeclinable)

absolutive

Derived from 'ekībhū' (to become one), itself formed from 'eka' (one) and root 'bhū' (to be) with 'cvi' suffix, plus 'lyap' for absolutive.

Root: bhū (class 1)

कचनाम् (kacanām) - discussion, talk, declaration

(noun)

Nominative, neuter, singular of kacana

kacana - speaking, talking, discussion, declaration, statement

Derived from root 'kac' (to sound, to speak) with 'ana' suffix.

Root: kac (class 1)

तत्र (tatra) - there, in that place, in that case

(indeclinable)

विश्राम्यताम् (viśrāmyatām) - let one rest, let repose be found, let one be established

(verb)

3rd person , singular, passive, imperative (loṭ) of viśram

imperative, passive voice

3rd person singular passive imperative of root 'śram' with prefix 'vi'.

Prefix: vi

Root: śram (class 4)

Note: Used here impersonally, implying 'let rest be taken' or 'let one rest'.

बुधाः (budhāḥ) - wise ones, learned people

(noun)

Nominative, masculine, plural of budha

budha - wise, learned, intelligent person, planet Mercury

Derived from root 'budh' (to know, perceive).

Root: budh (class 1)

बोधभूमिषु (bodhabhūmiṣu) - in the realms of understanding, in the planes of knowledge

(noun)

Locative, feminine, plural of bodhabhūmi

bodhabhūmi - sphere/realm of understanding/knowledge

Compound of 'bodha' and 'bhūmi'.

Compound type : tatpuruṣa (bodha+bhūmi)

• bodha – understanding, knowledge, perception, awakening
  noun (masculine)
  Derived from root 'budh' (to know).
  Root: budh (class 1)
• bhūmi – earth, ground, land, realm, stage, state
  noun (feminine)

सिद्धानाम् (siddhānām) - of the perfected ones, of those who have attained success

(adjective)

Genitive, masculine, plural of siddha

siddha - perfected, accomplished, successful, proven, established, a perfected being (siddha)

Past Passive Participle

Derived from root 'sidh' (to succeed, accomplish) with 'kta' suffix.

Root: sidh (class 4)

Note: Used here as a noun, 'of the perfected ones'.

अर्थानाम् (arthānām) - of (true) meanings (of meanings, of purposes, of objects)

(noun)

Genitive, masculine, plural of artha

artha - meaning, purpose, object, wealth, thing, affair

वा (vā) - or, either, and

(indeclinable)

विवेकिनाम् (vivekinām) - of discriminating ones, of discerning individuals

(adjective)

Genitive, masculine, plural of vivekin

vivekin - discriminating, discerning, judicious, a discerning person

Derived from 'viveka' (discrimination) with 'in' suffix.

Note: Used here as a noun, 'of discriminating ones'.