महाभारतः mahābhārataḥ - book-12, chapter-231, verse-4

मनसश्चेन्द्रियाणां चाप्यैकाग्र्यं समवाप्यते ।
येनोपायेन पुरुषैस्तच्च व्याख्यातुमर्हसि ॥४॥

4. manasaścendriyāṇāṁ cāpyaikāgryaṁ samavāpyate ,
yenopāyena puruṣaistacca vyākhyātumarhasi.

4. manasaḥ ca indriyāṇām ca api ekāgryam samavāpyate
| yena upāyena puruṣaiḥ tat ca vyākhyātum arhasi

4. manasaḥ ca indriyāṇām ca api ekāgryam yena upāyena puruṣaiḥ samavāpyate,
tat ca [tvam] vyākhyātum arhasi

4. Moreover, you should also explain the means by which people achieve one-pointedness (ekāgrya) of the mind and the senses.

Words meanings summery:

• मनसः (manasaḥ) - pertaining to the mind (of the mind)

• च (ca) - connecting "mind" and "senses" (and)

• इन्द्रियाणाम् (indriyāṇām) - pertaining to the faculties of perception and action (of the senses)

• च (ca) - connecting "mind" and "senses" (and, also)

• अपि (api) - adding emphasis or indicating inclusion of another topic (also, even, too)

• एकाग्र्यम् (ekāgryam) - the state of focused attention, crucial for spiritual practice (one-pointedness, concentration)

• समवाप्यते (samavāpyate) - (one-pointedness) is realized or brought about (is attained, is achieved)

• येन (yena) - by which particular method or means (by which)

• उपायेन (upāyena) - by what technique or approach (by means, by method)

• पुरुषैः (puruṣaiḥ) - by those seeking spiritual realization (by persons, by men)

• तत् (tat) - referring to the means of attaining one-pointedness (that)

• च (ca) - indicating this is an additional request (and, also)

• व्याख्यातुम् (vyākhyātum) - infinitive form, "in order to explain" or "to explain" (to explain, to expound)

• अर्हसि (arhasi) - you are able to, or you should (explain) (you ought, you are able, you deserve)

Words meanings and morphology

मनसः (manasaḥ) - pertaining to the mind (of the mind)

(noun)

Genitive, neuter, singular of manas

manas - mind, intellect, understanding; thought, intention

Note: Governs 'ekāgryam'.

च (ca) - connecting "mind" and "senses" (and)

(indeclinable)

Note: Conjunction.

इन्द्रियाणाम् (indriyāṇām) - pertaining to the faculties of perception and action (of the senses)

(noun)

Genitive, neuter, plural of indriya

indriya - sense organ, faculty of sense; power, virility

Note: Governs 'ekāgryam'.

च (ca) - connecting "mind" and "senses" (and, also)

(indeclinable)

Note: Conjunction.

अपि (api) - adding emphasis or indicating inclusion of another topic (also, even, too)

(indeclinable)

Note: Emphasizes the scope of the inquiry.

एकाग्र्यम् (ekāgryam) - the state of focused attention, crucial for spiritual practice (one-pointedness, concentration)

(noun)

Nominative, neuter, singular of ekāgrya

ekāgrya - one-pointedness, concentration

from eka + agra + ṣyañ

Compound type : tatpuruṣa (eka+agra)

• eka – one, single, sole
  numeral (neuter)
• agra – tip, front, point, chief
  noun (neuter)

Note: Subject of 'samavāpyate'.

समवाप्यते (samavāpyate) - (one-pointedness) is realized or brought about (is attained, is achieved)

(verb)

3rd person , singular, passive, present (lat) of sam-ava-āp

Present Passive

root √āp with prefixes sam, ava, 3rd singular present passive

Prefixes: sam+ava

Root: āp (class 5)

येन (yena) - by which particular method or means (by which)

(pronoun)

Instrumental, masculine, singular of yad

yad - which, what

Note: Refers to 'upāyena'.

उपायेन (upāyena) - by what technique or approach (by means, by method)

(noun)

Instrumental, masculine, singular of upāya

upāya - means, method, way, expedient

from upa-√i 'to go near'

Prefix: upa

Root: i (class 2)

Note: Instrumental case, indicating the means.

पुरुषैः (puruṣaiḥ) - by those seeking spiritual realization (by persons, by men)

(noun)

Instrumental, masculine, plural of puruṣa

puruṣa - man, human being, person; the Supreme Being (puruṣa)

Note: Agent in the passive construction ('samavāpyate').

तत् (tat) - referring to the means of attaining one-pointedness (that)

(pronoun)

Accusative, neuter, singular of tad

tad - that, he, she, it

Note: Object of 'vyākhyātum'.

च (ca) - indicating this is an additional request (and, also)

(indeclinable)

Note: Conjunction.

व्याख्यातुम् (vyākhyātum) - infinitive form, "in order to explain" or "to explain" (to explain, to expound)

(verb)

active, infinitive (tumun) of vi-ā-khyā

Infinitive

root √khyā with prefixes vi and ā

Prefixes: vi+ā

Root: khyā (class 2)

Note: Used with 'arhasi'.

अर्हसि (arhasi) - you are able to, or you should (explain) (you ought, you are able, you deserve)

(verb)

2nd person , singular, active, present (lat) of arh

Present Active

root √arh, 2nd singular present active

Root: arh (class 1)

Note: Used with infinitive 'vyākhyātum'.