महाभारतः mahābhārataḥ - book-12, chapter-232, verse-13

मनसश्चेन्द्रियाणां च कृत्वैकाग्र्यं समाहितः ।
प्राग्रात्रापररात्रेषु धारयेन्मन आत्मना ॥१३॥

13. manasaścendriyāṇāṁ ca kṛtvaikāgryaṁ samāhitaḥ ,
prāgrātrāpararātreṣu dhārayenmana ātmanā.

13. manasaḥ ca indriyāṇām ca kṛtvā ekāgryam samāhitaḥ
prāk-rātra-apara-rātreṣu dhārayet manaḥ ātmanā

13. samāhitaḥ (naraḥ),
manasaḥ ca indriyāṇām ca ekāgryam kṛtvā,
prāk-rātra-apara-rātreṣu manaḥ ātmanā dhārayet.

13. Being composed, and having made the mind and the senses one-pointed, one should hold the mind steady by the self (ātman) during the early and latter parts of the night.

Words meanings summery:

• मनसः (manasaḥ) - of the mind

• च (ca) - and (and, also)

• इन्द्रियाणाम् (indriyāṇām) - of the senses (of the senses, of the sense organs)

• च (ca) - and (and, also)

• कृत्वा (kṛtvā) - having made (having done, having made, having performed)

• एकाग्र्यम् (ekāgryam) - one-pointedness (one-pointedness, concentration)

• समाहितः (samāhitaḥ) - being composed, concentrated (composed, concentrated, absorbed)

• प्राक्-रात्र-अपर-रात्रेषु (prāk-rātra-apara-rātreṣu) - during the early and latter parts of the night (in the early and latter parts of the night)

• धारयेत् (dhārayet) - should hold steady (one should hold, one should sustain, one should fix)

• मनः (manaḥ) - the mind (the mind, intellect)

• आत्मना (ātmanā) - by the self (ātman) (by the self, by oneself, by the soul)

Words meanings and morphology

मनसः (manasaḥ) - of the mind

(noun)

Genitive, neuter, singular of manas

manas - mind, intellect, thought

च (ca) - and (and, also)

(indeclinable)

Note: Used like 'both X and Y'.

इन्द्रियाणाम् (indriyāṇām) - of the senses (of the senses, of the sense organs)

(noun)

Genitive, neuter, plural of indriya

indriya - sense organ, faculty, power

च (ca) - and (and, also)

(indeclinable)

Note: Used like 'both X and Y'.

कृत्वा (kṛtvā) - having made (having done, having made, having performed)

(indeclinable)

Absolutive (Gerund)

Derived from root kṛ (to do, to make) with suffix -tvā

Root: kṛ (class 8)

Note: Expresses an action completed before the main verb.

एकाग्र्यम् (ekāgryam) - one-pointedness (one-pointedness, concentration)

(noun)

Accusative, neuter, singular of ekāgrya

ekāgrya - one-pointedness, concentration

Derived from ekāgra (one-pointed)

Note: Object of 'kṛtvā'.

समाहितः (samāhitaḥ) - being composed, concentrated (composed, concentrated, absorbed)

(adjective)

Nominative, masculine, singular of samāhita

samāhita - composed, concentrated, placed together

Past Passive Participle

Derived from root dhā (to place) with prefixes sam- and ā-

Prefixes: sam+ā

Root: dhā (class 3)

Note: Describes the agent (implied 'he').

प्राक्-रात्र-अपर-रात्रेषु (prāk-rātra-apara-rātreṣu) - during the early and latter parts of the night (in the early and latter parts of the night)

(compound)

Compound type : dvandva (prāk-rātra+apara-rātra)

• prāk – eastern, former, early
  indeclinable
• rātra – night
  noun (neuter)
• apara – other, latter, subsequent
  adjective (neuter)
• rātra – night
  noun (neuter)

Note: Refers to the two divisions of the night (first part and last part).

धारयेत् (dhārayet) - should hold steady (one should hold, one should sustain, one should fix)

(verb)

3rd person , singular, active, optative (vidhiliṅ) of dhāray

Optative, causative stem

Derived from root dhṛ (to hold, bear) in the causative stem, then optative 3rd person singular

Root: dhṛ (class 1)

Note: An imperative or prescriptive command.

मनः (manaḥ) - the mind (the mind, intellect)

(noun)

Accusative, neuter, singular of manas

manas - mind, intellect, thought

Note: Object of 'dhārayet'.

आत्मना (ātmanā) - by the self (ātman) (by the self, by oneself, by the soul)

(noun)

Instrumental, masculine, singular of ātman

ātman - self, soul, spirit, essence

Note: Means by one's own self or inner consciousness.