महाभारतः mahābhārataḥ - book-12, chapter-290, verse-93

शिष्टं त्वत्र मनस्तात इन्द्रियाणि च भारत ।
आगच्छन्ति यथाकालं गुरोः संदेशकारिणः ॥९३॥

93. śiṣṭaṁ tvatra manastāta indriyāṇi ca bhārata ,
āgacchanti yathākālaṁ guroḥ saṁdeśakāriṇaḥ.

93. शिष्टम् तु अत्र मनः तात इन्द्रियाणि च
भारत आगच्छन्ति यथाकालम् गुरोः संदेशकारिणः

93. तात भारत,
अत्र मनः च इन्द्रियाणि तु शिष्टम् यथाकालम् गुरोः संदेशकारिणः आगच्छन्ति

93. O dear son, O Bhārata, here the mind and the senses properly come forth at the appropriate time, carrying out the instructions of the preceptor (guru).

Words meanings summery:

• शिष्टम् (शिष्टम्) - properly, fittingly, correctly

• तु (तु) - but, indeed, however, and

• अत्र (अत्र) - here, in this place, in this matter

• मनः (मनः) - mind, intellect, heart

• तात (तात) - dear son (form of address) (dear son, father, venerable sir)

• इन्द्रियाणि (इन्द्रियाणि) - senses, organs of sense

• च (च) - and, also, moreover

• भारत (भारत) - O descendant of Bharata (addressing Arjuna or Yudhishthira) (O descendant of Bharata, O Bhārata)

• आगच्छन्ति (आगच्छन्ति) - they come, they approach, they arrive

• यथाकालम् (यथाकालम्) - in due course, at the proper time, as time requires

• गुरोः (गुरोः) - of the teacher, of the preceptor

• संदेशकारिणः (संदेशकारिणः) - messengers, carrying out instructions, executors of a message

Words meanings and morphology

शिष्टम् (शिष्टम्) - properly, fittingly, correctly

(indeclinable)

Past Passive Participle

Derived from root śiṣ (to teach, to discipline) with suffix -ta.

Root: śiṣ (class 7)

Note: Adverbial usage of neuter singular adjective.

तु (तु) - but, indeed, however, and

(indeclinable)

अत्र (अत्र) - here, in this place, in this matter

(indeclinable)

Formed from the pronoun idam (this) with suffix -tra.

मनः (मनः) - mind, intellect, heart

(noun)

Nominative, neuter, singular of manas

manas - mind, intellect, heart, understanding, consciousness

Root: man (class 4)

तात (तात) - dear son (form of address) (dear son, father, venerable sir)

(noun)

Vocative, masculine, singular of tāta

tāta - father, dear father, dear son, venerable person

इन्द्रियाणि (इन्द्रियाणि) - senses, organs of sense

(noun)

Nominative, neuter, plural of indriya

indriya - sense organ, faculty, power of sense, organ of action

Derived from Indra, meaning 'belonging to or fit for Indra'.

Note: Can also be accusative plural neuter.

च (च) - and, also, moreover

(indeclinable)

Conjunction.

भारत (भारत) - O descendant of Bharata (addressing Arjuna or Yudhishthira) (O descendant of Bharata, O Bhārata)

(proper noun)

Vocative, masculine, singular of bhārata

bhārata - a descendant of Bharata, relating to Bharata, a native of India

A patronymic.

Root: bhara

आगच्छन्ति (आगच्छन्ति) - they come, they approach, they arrive

(verb)

3rd person , plural, active, present (laṭ) of āgacch

Present Active Indicative

Root gam (to go) with prefix ā (towards, unto).

Prefix: ā

Root: gam (class 1)

यथाकालम् (यथाकालम्) - in due course, at the proper time, as time requires

(indeclinable)

Adverbial compound.

Compound type : avyayībhāva (yathā+kāla)

• yathā – as, according to, just as
  indeclinable
• kāla – time, season, proper time
  noun (masculine)

Note: Functions as an adverb.

गुरोः (गुरोः) - of the teacher, of the preceptor

(noun)

Genitive, masculine, singular of guru

guru - teacher, preceptor, spiritual guide (guru), heavy, venerable

Note: Can also be ablative singular. Context indicates genitive.

संदेशकारिणः (संदेशकारिणः) - messengers, carrying out instructions, executors of a message

(noun)

Nominative, masculine, plural of saṃdeśakārin

saṁdeśakārin - messenger, one who executes a message or command, carrying out instructions

Agent Noun

From saṃdeśa (message) and kārin (doer, maker), from root kṛ.

Compound type : tatpuruṣa (saṃdeśa+kārin)

• saṃdeśa – message, instruction, command
  noun (masculine)
  Prefix: sam
  Root: diś (class 6)
• kārin – doer, maker, performing, executing
  adjective/noun (masculine)
  Agent Noun
  From root kṛ (to do, make) with agent suffix -in.
  Root: kṛ (class 8)

Note: Agrees with the plural subject manaḥ and indriyāṇi, treated as masculine agents.