महाभारतः mahābhārataḥ - book-12, chapter-256, verse-22

वाग्वृद्धं त्रायते श्रद्धा मनोवृद्धं च भारत ।
यथौपम्योपदेशेन किं भूयः श्रोतुमिच्छसि ॥२२॥

22. vāgvṛddhaṁ trāyate śraddhā manovṛddhaṁ ca bhārata ,
yathaupamyopadeśena kiṁ bhūyaḥ śrotumicchasi.

22. vāgvṛddham trāyate śraddhā manovṛddham ca bhārata
yathaupamyopadeśena kim bhūyaḥ śrotum icchasi

22. bhārata,
śraddhā vāgvṛddham ca manovṛddham trāyate.
yathaupamyopadeśena bhūyaḥ kim śrotum icchasi?

22. O Bhārata, faith (śraddhā) protects those who are advanced in eloquence and also those who are advanced in mental faculties. What more do you wish to hear by means of instructive similes?

Words meanings summery:

• वाग्वृद्धम् (vāgvṛddham) - one who is advanced in eloquence (one who is advanced in speech/eloquence)

• त्रायते (trāyate) - protects (protects, saves, delivers)

• श्रद्धा (śraddhā) - faith (śraddhā) (faith, trust, belief (śraddhā))

• मनोवृद्धम् (manovṛddham) - one who is advanced in mental faculties (one who is advanced in mind/intelligence)

• च (ca) - and

• भारत (bhārata) - O Bhārata! (address to a character, typically Yudhishthira or Arjuna in Mahabharata context) (O descendant of Bharata!)

• यथौपम्योपदेशेन (yathaupamyopadeśena) - by means of instructive similes (by means of instruction through analogies/similes)

• किम् (kim) - what more? (what?, why?)

• भूयः (bhūyaḥ) - further, more (further, again, more)

• श्रोतुम् (śrotum) - to hear

• इच्छसि (icchasi) - you desire, you wish

Words meanings and morphology

वाग्वृद्धम् (vāgvṛddham) - one who is advanced in eloquence (one who is advanced in speech/eloquence)

(adjective)

Accusative, masculine, singular of vāgvṛddha

vāgvṛddha - advanced in speech, eloquent

tatpurusha compound: vāc + vṛddha

Compound type : tatpurusha (vāc+vṛddha)

• vāc – speech, word
  noun (feminine)
• vṛddha – grown, advanced, old
  adjective (masculine)
  Past Passive Participle
  from root vṛdh (to grow)
  Root: vṛdh (class 1)

Note: Object of `trāyate`.

त्रायते (trāyate) - protects (protects, saves, delivers)

(verb)

3rd person , singular, active, present (laṭ) of trā

conjugation

present 3rd person singular, ātmanepada

Root: trā (class 2)

Note: Verb for Śraddhā

श्रद्धा (śraddhā) - faith (śraddhā) (faith, trust, belief (śraddhā))

(noun)

Nominative, feminine, singular of śraddhā

śraddhā - faith, trust, belief, reverence (śraddhā)

from śrad + dhā

Root: dhā (class 3)

Note: Subject of `trāyate`

मनोवृद्धम् (manovṛddham) - one who is advanced in mental faculties (one who is advanced in mind/intelligence)

(adjective)

Accusative, masculine, singular of manovṛddha

manovṛddha - advanced in mind, intelligent

tatpurusha compound: manas + vṛddha

Compound type : tatpurusha (manas+vṛddha)

• manas – mind, intellect, heart
  noun (neuter)
• vṛddha – grown, advanced, old
  adjective (masculine)
  Past Passive Participle
  from root vṛdh (to grow)
  Root: vṛdh (class 1)

Note: Object of `trāyate`.

च (ca) - and

(indeclinable)

Note: Connects `vāgvṛddham` and `manovṛddham`

भारत (bhārata) - O Bhārata! (address to a character, typically Yudhishthira or Arjuna in Mahabharata context) (O descendant of Bharata!)

(proper noun)

Vocative, masculine, singular of bhārata

bhārata - descendant of Bharata, an Indian

Note: Addressed to an audience or character.

यथौपम्योपदेशेन (yathaupamyopadeśena) - by means of instructive similes (by means of instruction through analogies/similes)

(noun)

Instrumental, masculine, singular of yathaupamyopadeśa

yathaupamyopadeśa - instruction by means of analogies or similes

tatpurusha compound: yathāupamyā (or upamya) + upadeśa

Compound type : tatpurusha (yathā+upamya+upadeśa)

• yathā – as, according to
  indeclinable
• upamya – analogy, comparison, simile
  noun (neuter)
• upadeśa – instruction, advice
  noun (masculine)
  from upa-diś (to teach, instruct)
  Prefix: upa
  Root: diś (class 6)

Note: Means by which further hearing is sought.

किम् (kim) - what more? (what?, why?)

(pronoun)

Nominative, neuter, singular of kim

kim - what, which, why

Note: Interrogative pronoun

भूयः (bhūyaḥ) - further, more (further, again, more)

(indeclinable)

comparative adverb from root bhū (to be)

Root: bhū (class 1)

Note: Adverb modifying `śrotum`

श्रोतुम् (śrotum) - to hear

(indeclinable)

infinitive

suffix -tum

Root: śru (class 5)

Note: Object of `icchasi`

इच्छसि (icchasi) - you desire, you wish

(verb)

2nd person , singular, active, present (laṭ) of iṣ

conjugation

present 2nd person singular, parasmaipada

Root: iṣ (class 6)

Note: The main verb of the question.