महाभारतः mahābhārataḥ - book-12, chapter-63, verse-22

राजर्षित्वेन राजेन्द्र भैक्षचर्याध्वसेवया ।
अपेतगृहधर्मोऽपि चरेज्जीवितकाम्यया ॥२२॥

22. rājarṣitvena rājendra bhaikṣacaryādhvasevayā ,
apetagṛhadharmo'pi carejjīvitakāmyayā.

22. rājarṣitvena rājendra bhaikṣacaryādhvasevayā
apetagṛhadharmaḥ api caret jīvitakāmyayā

22. rājendra apetagṛhadharmaḥ api rājarṣitvena
bhaikṣacaryādhvasevayā jīvitakāmyayā caret

22. O king of kings, even a royal sage (rājarṣi) who has renounced household duties should sustain himself by following the practice of begging for alms, out of a desire for continued life.

Words meanings summery:

• राजर्षित्वेन (rājarṣitvena) - as a royal sage (rājarṣi) (by the state of a royal sage, as a royal sage)

• राजेन्द्र (rājendra) - O king of kings (O king of kings, O chief of kings)

• भैक्षचर्याध्वसेवया (bhaikṣacaryādhvasevayā) - by following the practice of begging for alms (by following the path of begging for alms)

• अपेतगृहधर्मः (apetagṛhadharmaḥ) - one who has renounced household duties (one who has abandoned household duties)

• अपि (api) - even (even, also, too)

• चरेत् (caret) - should sustain himself (should wander, should practice, should live, should sustain oneself)

• जीवितकाम्यया (jīvitakāmyayā) - out of a desire for continued life (by the desire for life, for the sake of survival)

Words meanings and morphology

राजर्षित्वेन (rājarṣitvena) - as a royal sage (rājarṣi) (by the state of a royal sage, as a royal sage)

(noun)

Instrumental, neuter, singular of rājarṣitva

rājarṣitva - the state or quality of being a royal sage (rājarṣi)

Derived from rājarṣi with the abstract suffix tva.

राजेन्द्र (rājendra) - O king of kings (O king of kings, O chief of kings)

(noun)

Vocative, masculine, singular of rājendra

rājendra - king of kings, chief of kings (often refers to a great king or Indra as king of gods)

Compound type : tatpurusha (rājan+indra)

• rājan – king, ruler
  noun (masculine)
• indra – Indra (name of a deity), chief, best
  noun (masculine)

भैक्षचर्याध्वसेवया (bhaikṣacaryādhvasevayā) - by following the practice of begging for alms (by following the path of begging for alms)

(noun)

Instrumental, feminine, singular of bhaikṣacaryādhvasevā

bhaikṣacaryādhvasevā - service/practice of the path of begging for alms

Compound type : tatpurusha (bhaikṣacaryā+adhva+sevā)

• bhaikṣacaryā – practice of begging, mendicancy
  noun (feminine)
  Derived from bhikṣā (alms) and caryā (conduct, practice).
• adhva – path, road
  noun (masculine)
• sevā – service, practice, worship
  noun (feminine)
  Derived from root √sev.
  Root: √sev (class 1)

अपेतगृहधर्मः (apetagṛhadharmaḥ) - one who has renounced household duties (one who has abandoned household duties)

(adjective)

Nominative, masculine, singular of apetagṛhadharma

apetagṛhadharma - one from whom household duties have departed; one who has abandoned household duties

Compound type : bahuvrihi (apeta+gṛhadharma)

• apeta – departed, gone away from, abandoned
  adjective (masculine)
  Past Passive Participle
  Derived from root √i (to go) with prefix apa.
  Prefix: apa
  Root: √i (class 2)
• gṛhadharma – household duties, duties of a householder
  noun (masculine)

अपि (api) - even (even, also, too)

(indeclinable)

चरेत् (caret) - should sustain himself (should wander, should practice, should live, should sustain oneself)

(verb)

3rd person , singular, active, optative (vidhiliṅ) of √car

Optative Mood, Parasmaipada, 3rd person singular

Optative mood, indicates prescription or advice.

Root: √car (class 1)

जीवितकाम्यया (jīvitakāmyayā) - out of a desire for continued life (by the desire for life, for the sake of survival)

(noun)

Instrumental, feminine, singular of jīvitakāmyā

jīvitakāmyā - desire for life, desire for living

Compound type : tatpurusha (jīvita+kāmyā)

• jīvita – life, living, lived
  noun (neuter)
  Past Passive Participle (substantivized)
  From √jīv.
  Root: √jīv (class 1)
• kāmyā – desire, longing
  noun (feminine)
  From kāmya (desirable) + ā suffix.
  Root: √kam (class 1)