योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-169, verse-45

जन्मान्तरैकसहवाससमाशयेन चित्रानुवृत्तिमधुरेण चिरंतनेन ।
मित्रेण सार्धमखिलानि दिनानि नीत्वा विश्रान्तिमेष्यति पदे परमे चिरं सः ॥ ४५ ॥

janmāntaraikasahavāsasamāśayena citrānuvṛttimadhureṇa ciraṃtanena ,
mitreṇa sārdhamakhilāni dināni nītvā viśrāntimeṣyati pade parame ciraṃ saḥ 45

45. janmāntaraika-sahavāsa-samāśayena
citrānuvṛtti-madhureṇa cirantunena
mitreṇa sārdham akhilāni dināni nītvā
viśrāntim eṣyati pade parame ciram saḥ

45. saḥ janmāntaraika-sahavāsa-samāśayena
citrānuvṛtti-madhureṇa cirantunena
mitreṇa sārdham akhilāni dināni nītvā
parame pade ciram viśrāntim eṣyati

45. Having spent all his days together with a long-standing friend who is charming in their continuous, varied engagement, and whose sole reliance has been companionship across many lifetimes, he will forever attain repose (viśrānti) in the supreme state (pada).

Words meanings summery:

• जन्मान्तरैक-सहवास-समाशयेन (janmāntaraika-sahavāsa-samāśayena) - by the one whose refuge is the sole companionship through many lifetimes

• चित्रानुवृत्ति-मधुरेण (citrānuvṛtti-madhureṇa) - by the one sweet with varied continuous activities/engagements

• चिरन्तुनेन (cirantunena) - by the ancient one, by the long-standing one

• मित्रेण (mitreṇa) - with the eternal Self (ātman) or ultimate reality (with the friend)

• सार्धम् (sārdham) - together with, along with

• अखिलानि (akhilāni) - all, entire, complete

• दिनानि (dināni) - days

• नीत्वा (nītvā) - having passed (the days) (having led, having spent, having passed)

• विश्रान्तिम् (viśrāntim) - repose, rest, cessation

• एष्यति (eṣyati) - will attain, will go, will reach

• पदे (pade) - in the supreme state or spiritual realm (in the state, in the place, in the abode)

• परमे (parame) - in the supreme, in the highest

• चिरम् (ciram) - for a long time, eternally, constantly

• सः (saḥ) - he, that one

Words meanings and morphology

जन्मान्तरैक-सहवास-समाशयेन (janmāntaraika-sahavāsa-samāśayena) - by the one whose refuge is the sole companionship through many lifetimes

(adjective)

Instrumental, masculine, singular of janmāntaraika-sahavāsa-samāśaya

janmāntaraika-sahavāsa-samāśaya - whose reliance is the sole companionship across various existences

Bahuvrīhi compound. A compound referring to a person whose samāśaya (refuge/support) is eka-sahavāsa (sole companionship) through janmāntara (other births).

Compound type : Bahuvrīhi (janmāntara+eka+sahavāsa+samāśaya)

• janmāntara – another birth, previous or future birth, other existences
  noun (neuter)
  Compound of janman (birth) and antara (other)
• eka – one, sole, unique, singular
  numeral/adjective (masculine/feminine/neuter)
• sahavāsa – living together, companionship, cohabitation
  noun (masculine)
  Compound of saha (together) and vāsa (dwelling)
  Prefix: saha
• samāśaya – refuge, support, asylum; intention, purpose
  noun (masculine)
  From sam-ā-śrī (to resort to, lean on)
  Prefixes: sam+ā
  Root: śrī (class 1)

Note: Agrees with mitreṇa.

चित्रानुवृत्ति-मधुरेण (citrānuvṛtti-madhureṇa) - by the one sweet with varied continuous activities/engagements

(adjective)

Instrumental, masculine, singular of citrānuvṛtti-madhura

citrānuvṛtti-madhura - sweet due to charming continuous actions or presence

Tatpurusha compound. citra (varied/charming) + anuvṛtti (following/activity) + madhura (sweet).

Compound type : Tatpurusha (citra+anuvṛtti+madhura)

• citra – varied, diverse, wonderful, charming, clear
  adjective (masculine/feminine/neuter)
• anuvṛtti – continuity, continuous action, constant following, persistence
  noun (feminine)
  From root vṛt (to be, exist) with prefix anu
  Prefix: anu
  Root: vṛt (class 1)
• madhura – sweet, charming, delightful
  adjective (masculine/feminine/neuter)

Note: Agrees with mitreṇa.

चिरन्तुनेन (cirantunena) - by the ancient one, by the long-standing one

(adjective)

Instrumental, masculine, singular of cirantana

cirantana - ancient, long-standing, perennial, old

Derived from ciram (for a long time) + suffix -tana

Note: Agrees with mitreṇa.

मित्रेण (mitreṇa) - with the eternal Self (ātman) or ultimate reality (with the friend)

(noun)

Instrumental, masculine, singular of mitra

mitra - friend, companion; sun (Vedic)

Note: The instrumental case is governed by sārdham.

सार्धम् (sārdham) - together with, along with

(indeclinable)

Adverbial from sa-ardha (with a part)

अखिलानि (akhilāni) - all, entire, complete

(adjective)

Accusative, neuter, plural of akhila

akhila - all, whole, complete, entire

Compound of a (not) + khila (gap, remnant)

Compound type : Nañ-Tatpurusha (a+khila)

• a – not, un-
  prefix
• khila – gap, vacant ground, remnant
  noun (masculine/neuter)

Note: Agrees with dināni.

दिनानि (dināni) - days

(noun)

Accusative, neuter, plural of dina

dina - day

Note: Object of nītvā.

नीत्वा (nītvā) - having passed (the days) (having led, having spent, having passed)

(indeclinable)

Absolutive (gerund)

Formed from root nī (to lead) with suffix -tvā.

Root: nī (class 1)

विश्रान्तिम् (viśrāntim) - repose, rest, cessation

(noun)

Accusative, feminine, singular of viśrānti

viśrānti - rest, repose, cessation, relief, tranquility

From root śram (to be weary) with prefix vi and suffix -ti

Prefix: vi

Root: śram (class 4)

Note: Object of eṣyati.

एष्यति (eṣyati) - will attain, will go, will reach

(verb)

3rd person , singular, active, future (lṛṭ) of iṣ

Future tense, Active voice (parasmaipada)

Third person singular future of root iṣ.

Root: iṣ (class 4)

Note: Subject is saḥ.

पदे (pade) - in the supreme state or spiritual realm (in the state, in the place, in the abode)

(noun)

Locative, neuter, singular of pada

pada - foot, step, place, state, abode, word

Root: pad (class 4)

Note: Location of attainment.

परमे (parame) - in the supreme, in the highest

(adjective)

Locative, neuter, singular of parama

parama - supreme, highest, ultimate, excellent

Note: Agrees with pade.

चिरम् (ciram) - for a long time, eternally, constantly

(indeclinable)

Adverbial form.

Note: Adverb modifying eṣyati.

सः (saḥ) - he, that one

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Demonstrative pronoun.

Note: Subject of the sentence.