महाभारतः mahābhārataḥ - book-3, chapter-156, verse-31

न तात चपलैर्भाव्यमिह प्राप्तैः कथंचन ।
उषित्वेह यथाकामं यथाश्रद्धं विहृत्य च ।
ततः शस्त्रभृतां श्रेष्ठ पृथिवीं पालयिष्यसि ॥३१॥

31. na tāta capalairbhāvyamiha prāptaiḥ kathaṁcana ,
uṣitveha yathākāmaṁ yathāśraddhaṁ vihṛtya ca ,
tataḥ śastrabhṛtāṁ śreṣṭha pṛthivīṁ pālayiṣyasi.

31. na tāta capalaiḥ bhāvyam iha prāptaiḥ
kathañcana | uṣitvā iha yathākāmam
yathāśraddham vihṛtya ca | tataḥ
śastrabṛtām śreṣṭha pṛthivīm pālayiṣyasi

31. Dear son, those who arrive here should by no means be fickle. After residing here as you wish and wandering about as you please, then, O best among weapon-bearers, you will protect the earth.

Words meanings summery:

• न (na) - not, no, nor

• तात (tāta) - dear son (as an address) (dear one, father, son, venerable person)

• चपलैः (capalaiḥ) - by those who are fickle (by the fickle ones, by the unsteady ones)

• भाव्यम् (bhāvyam) - should be (used impersonally with instrumental) (should be, is to be, ought to be; destiny)

• इह (iha) - here (referring to the place they are in or will be in) (here, in this world, at this place)

• प्राप्तैः (prāptaiḥ) - by those (people) who have arrived (here) (by those who have arrived, by the obtained ones)

• कथञ्चन (kathañcana) - by no means (in conjunction with 'na') (by any means, somehow, in any way, certainly)

• उषित्वा (uṣitvā) - after residing (having resided, having dwelt)

• इह (iha) - here (referring to the place of residence) (here, in this world, at this place)

• यथाकामम् (yathākāmam) - as long as desired (according to desire, as one wishes)

• यथाश्रद्धम् (yathāśraddham) - as much as you like, as you please (according to faith, as one believes, as one pleases)

• विहृत्य (vihṛtya) - after wandering about (having wandered, having sported, having played)

• च (ca) - and (and, also, moreover)

• ततः (tataḥ) - then (then, thence, afterwards, therefore)

• शस्त्रबृताम् (śastrabṛtām) - among the weapon-bearers (of the weapon-bearers, of those who carry weapons)

• श्रेष्ठ (śreṣṭha) - O best one (best, most excellent, supreme)

• पृथिवीम् (pṛthivīm) - the earth

• पालयिष्यसि (pālayiṣyasi) - you will protect (you will protect, you will rule)

Words meanings and morphology

न (na) - not, no, nor

(indeclinable)

तात (tāta) - dear son (as an address) (dear one, father, son, venerable person)

(noun)

Vocative, masculine, singular of tāta

tāta - father, dear one, son, venerable person

चपलैः (capalaiḥ) - by those who are fickle (by the fickle ones, by the unsteady ones)

(adjective)

Instrumental, masculine, plural of capala

capala - fickle, unsteady, restless, tremulous

Note: Refers to 'prāptaiḥ'.

भाव्यम् (bhāvyam) - should be (used impersonally with instrumental) (should be, is to be, ought to be; destiny)

(verbal adjective)

Note: Used impersonally, 'one should not be fickle.'

इह (iha) - here (referring to the place they are in or will be in) (here, in this world, at this place)

(indeclinable)

प्राप्तैः (prāptaiḥ) - by those (people) who have arrived (here) (by those who have arrived, by the obtained ones)

(verbal adjective)

Note: Functions as a noun in context, referring to 'those who have arrived'.

कथञ्चन (kathañcana) - by no means (in conjunction with 'na') (by any means, somehow, in any way, certainly)

(indeclinable)

Note: Often used with 'na' to mean "by no means."

उषित्वा (uṣitvā) - after residing (having resided, having dwelt)

(indeclinable)

Absolutive (Gerund)

Root vas (to dwell, reside) + suffix -tvā; 'vas' undergoes samprasāraṇa (va > u)

Root: vas (class 1)

Note: An absolutive, indicating a preceding action.

इह (iha) - here (referring to the place of residence) (here, in this world, at this place)

(indeclinable)

यथाकामम् (yathākāmam) - as long as desired (according to desire, as one wishes)

(indeclinable)

Compound type : avyayībhāva (yathā+kāma)

• yathā – as, in the manner that, according to
  indeclinable
• kāma – desire, wish, love
  noun (masculine)

Note: Avyayībhāva compound acting as an adverb.

यथाश्रद्धम् (yathāśraddham) - as much as you like, as you please (according to faith, as one believes, as one pleases)

(indeclinable)

Compound type : avyayībhāva (yathā+śraddhā)

• yathā – as, in the manner that, according to
  indeclinable
• śraddhā – faith, trust, confidence, reverence
  noun (feminine)

Note: Avyayībhāva compound acting as an adverb.

विहृत्य (vihṛtya) - after wandering about (having wandered, having sported, having played)

(indeclinable)

Absolutive (Gerund)

Prefix vi- + root hṛ (to carry, take) + suffix -tya; meaning changes with prefix

Prefix: vi

Root: hṛ (class 1)

Note: An absolutive.

च (ca) - and (and, also, moreover)

(indeclinable)

ततः (tataḥ) - then (then, thence, afterwards, therefore)

(indeclinable)

शस्त्रबृताम् (śastrabṛtām) - among the weapon-bearers (of the weapon-bearers, of those who carry weapons)

(noun)

Genitive, masculine, plural of śastrabṛt

śastrabṛt - weapon-bearer, warrior

Compound type : upapada tatpuruṣa (śastra+bhṛ)

• śastra – weapon, tool, instrument
  noun (neuter)
• bhṛ – bearing, carrying, supporting
  verbal adjective (from root bhṛ) (masculine)
  Agent Noun/Derivative
  From root bhṛ (to bear, carry), forming agent noun.
  Root: bhṛ (class 3)

श्रेष्ठ (śreṣṭha) - O best one (best, most excellent, supreme)

(adjective)

Vocative, masculine, singular of śreṣṭha

śreṣṭha - best, most excellent, supreme, chief

Superlative degree from praśasya (excellent)

Note: Used in combination with 'śastrabṛtām' as an address.

पृथिवीम् (pṛthivīm) - the earth

(noun)

Accusative, feminine, singular of pṛthivī

pṛthivī - earth, the Earth, soil, ground

Note: Object of the verb 'pālayiṣyasi'.

पालयिष्यसि (pālayiṣyasi) - you will protect (you will protect, you will rule)

(verb)

2nd person , singular, active, future (lṛṭ) of pālaya

Causative/Denominative

From root pā (to protect) in the 10th class or causative stem

Root: pā (class 10)