महाभारतः mahābhārataḥ - book-12, chapter-304, verse-18

युक्तस्य तु महाराज लक्षणान्युपधारयेत् ।
लक्षणं तु प्रसादस्य यथा तृप्तः सुखं स्वपेत् ॥१८॥

18. yuktasya tu mahārāja lakṣaṇānyupadhārayet ,
lakṣaṇaṁ tu prasādasya yathā tṛptaḥ sukhaṁ svapet.

18. yuktasya tu mahārāja lakṣaṇāni upadhārayet
lakṣaṇam tu prasādasya yathā tṛptaḥ sukham svapet

18. mahārāja tu yuktasya lakṣaṇāni upadhārayet,
prasādasya lakṣaṇam tu yathā tṛptaḥ sukham svapet

18. Indeed, O great king, one should discern the signs of a person engaged in spiritual discipline (yoga). The characteristic of inner tranquility (prasāda) is, for instance, how a contented person sleeps peacefully.

Words meanings summery:

• युक्तस्य (yuktasya) - of a person engaged in spiritual discipline (yoga) (of one who is in yoga, of a yogi, of one who is connected/joined)

• तु (tu) - but, indeed, yet

• महाराज (mahārāja) - O great king

• लक्षणानि (lakṣaṇāni) - characteristics, signs, marks

• उपधारयेत् (upadhārayet) - one should observe, understand, hold up, support

• लक्षणम् (lakṣaṇam) - a characteristic, a sign

• तु (tu) - but, indeed, yet

• प्रसादस्य (prasādasya) - of inner tranquility (prasāda) (of tranquility, of clarity, of grace)

• यथा (yathā) - just as, as, in which way

• तृप्तः (tṛptaḥ) - satisfied, contented, satiated

• सुखम् (sukham) - happily, comfortably, with ease

• स्वपेत् (svapet) - one should sleep, he/she/it should sleep

Words meanings and morphology

युक्तस्य (yuktasya) - of a person engaged in spiritual discipline (yoga) (of one who is in yoga, of a yogi, of one who is connected/joined)

(adjective)

Genitive, masculine, singular of yukta

yukta - joined, united, engaged in, in yoga, fit, proper

past passive participle

From root yuj (to join, connect), with passive meaning

Root: yuj (class 7)

तु (tu) - but, indeed, yet

(indeclinable)

महाराज (mahārāja) - O great king

(noun)

Vocative, masculine, singular of mahārājan

mahārājan - great king, sovereign ruler

Bahuvrīhi compound of mahat (great) and rājan (king)

Compound type : bahuvrīhi (mahat+rājan)

• mahat – great, large, mighty
  adjective (masculine)
• rājan – king, ruler
  noun (masculine)

लक्षणानि (lakṣaṇāni) - characteristics, signs, marks

(noun)

Accusative, neuter, plural of lakṣaṇa

lakṣaṇa - mark, sign, characteristic, attribute, definition

उपधारयेत् (upadhārayet) - one should observe, understand, hold up, support

(verb)

3rd person , singular, active, optative (vidhi liṅ) of upadhṛ

optative mood, third person singular, active voice (causative stem dhāray)

From root dhṛ (to hold) with upasarga upa, in causative stem (dhāray)

Prefix: upa

Root: dhṛ (class 1)

लक्षणम् (lakṣaṇam) - a characteristic, a sign

(noun)

Nominative, neuter, singular of lakṣaṇa

lakṣaṇa - mark, sign, characteristic, attribute, definition

तु (tu) - but, indeed, yet

(indeclinable)

प्रसादस्य (prasādasya) - of inner tranquility (prasāda) (of tranquility, of clarity, of grace)

(noun)

Genitive, masculine, singular of prasāda

prasāda - clearness, tranquility, grace, favor, serenity, spiritual clarity

From pra (forward) + root sad (to sit, settle down), implying settling down, clearness

Prefix: pra

Root: sad (class 1)

यथा (yathā) - just as, as, in which way

(indeclinable)

तृप्तः (tṛptaḥ) - satisfied, contented, satiated

(adjective)

Nominative, masculine, singular of tṛpta

tṛpta - satisfied, contented, satiated

past passive participle

From root tṛp (to be satisfied)

Root: tṛp (class 4)

सुखम् (sukham) - happily, comfortably, with ease

(indeclinable)

स्वपेत् (svapet) - one should sleep, he/she/it should sleep

(verb)

3rd person , singular, active, optative (vidhi liṅ) of svap

optative mood, third person singular, active voice

Root: svap (class 2)