योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-18, verse-21

अन्तर्नैराश्यमादाय बहिराशोन्मुखेहितः ।
बहिस्तप्तोऽन्तराशीतो लोके विहर राघव ॥ २१ ॥

antarnairāśyamādāya bahirāśonmukhehitaḥ ,
bahistapto'ntarāśīto loke vihara rāghava 21

21. antar nairāśyam ādāya bahir āśonmukhehitaḥ
bahis taptaḥ antar śītaḥ loke vihara rāghava

21. rāghava,
antar nairāśyam ādāya,
bahir āśonmukhehitaḥ,
bahis taptaḥ,
antar śītaḥ,
loke vihara

21. O Rāghava, live in the world having inwardly embraced detachment, while outwardly engaging in hopeful endeavors; outwardly appearing troubled, but inwardly remaining serene.

Words meanings summery:

• अन्तर् (antar) - internally, inside

• नैराश्यम् (nairāśyam) - detachment (from desires) (hopelessness, despair, detachment)

• आदाय (ādāya) - having embraced (detachment) (having taken, having received, having embraced)

• बहिर् (bahir) - externally, outside

• आशोन्मुखेहितः (āśonmukhehitaḥ) - having endeavors directed towards external hopes (one whose efforts are directed towards hope or desire)

• बहिस् (bahis) - externally, outside

• तप्तः (taptaḥ) - outwardly appearing troubled/agitated (heated, troubled, agitated)

• अन्तर् (antar) - internally, inside

• शीतः (śītaḥ) - inwardly remaining serene (cool, calm, serene)

• लोके (loke) - in the world

• विहर (vihara) - live, roam, wander, move about

• राघव (rāghava) - O Rāghava (descendant of Raghu)

Words meanings and morphology

अन्तर् (antar) - internally, inside

(indeclinable)

नैराश्यम् (nairāśyam) - detachment (from desires) (hopelessness, despair, detachment)

(noun)

Accusative, neuter, singular of nairāśya

nairāśya - hopelessness, despair, detachment from desire, lack of craving

Derived from nirāśā (absence of hope/desire) + -ya (taddhita suffix)

Prefix: nis

Root: āś (class 5)

आदाय (ādāya) - having embraced (detachment) (having taken, having received, having embraced)

(indeclinable)

absolutive

Absolutive (gerund) of verb root dā with prefix ā

Prefix: ā

Root: dā (class 3)

बहिर् (bahir) - externally, outside

(indeclinable)

आशोन्मुखेहितः (āśonmukhehitaḥ) - having endeavors directed towards external hopes (one whose efforts are directed towards hope or desire)

(adjective)

Nominative, masculine, singular of āśonmukhehita

āśonmukhehita - one whose efforts (īhita) are directed towards (unmukha) hope/desire (āśā)

Bahuvrīhi compound

Compound type : bahuvrīhi (āśā+unmukha+īhita)

• āśā – hope, desire
  noun (feminine)
  Root: āś (class 5)
• unmukha – facing, directed towards, eager
  adjective (masculine)
  Compound: ud + mukha
  Prefix: ud
  Root: mukh
• īhita – desired, striven for, endeavored, effort, action
  adjective (neuter)
  Past Passive Participle
  Past Passive Participle of verb root īh (to strive, endeavor)
  Root: īh (class 1)

बहिस् (bahis) - externally, outside

(indeclinable)

तप्तः (taptaḥ) - outwardly appearing troubled/agitated (heated, troubled, agitated)

(adjective)

Nominative, masculine, singular of tapta

tapta - heated, agitated, troubled, penitent

Past Passive Participle

Past Passive Participle of verb root tap (to heat, to suffer penance)

Root: tap (class 1)

अन्तर् (antar) - internally, inside

(indeclinable)

शीतः (śītaḥ) - inwardly remaining serene (cool, calm, serene)

(adjective)

Nominative, masculine, singular of śīta

śīta - cold, cool, calm, serene

Root: śyai (class 1)

लोके (loke) - in the world

(noun)

Locative, masculine, singular of loka

loka - world, universe, people

Root: lok (class 1)

विहर (vihara) - live, roam, wander, move about

(verb)

2nd person , singular, active, imperative (lot) of vi-hṛ

Imperative 2nd singular

Imperative mood, active voice, 2nd person singular of verb root hṛ with prefix vi

Prefix: vi

Root: hṛ (class 1)

राघव (rāghava) - O Rāghava (descendant of Raghu)

(proper noun)

Vocative, masculine, singular of rāghava

rāghava - descendant of Raghu (an epithet for Rama)