महाभारतः mahābhārataḥ - book-12, chapter-130, verse-18

सर्वतः सत्कृतः सद्भिर्भूतिप्रभवकारणैः ।
हृदयेनाभ्यनुज्ञातो यो धर्मस्तं व्यवस्यति ॥१८॥

18. sarvataḥ satkṛtaḥ sadbhirbhūtiprabhavakāraṇaiḥ ,
hṛdayenābhyanujñāto yo dharmastaṁ vyavasyati.

18. sarvataḥ satkṛtaḥ sadbhiḥ bhūtiprabhāvakāraṇaiḥ
hṛdayena abhyanujñātaḥ yaḥ dharmaḥ tam vyavasyati

18. yaḥ dharmaḥ sarvataḥ sadbhiḥ bhūtiprabhāvakāraṇaiḥ
satkṛtaḥ hṛdayena abhyanujñātaḥ tam vyavasyati

18. One should act upon that natural law (dharma) which is respected universally by virtuous individuals, who are the cause of welfare and prosperity, and which is assented to by one's own heart.

Words meanings summery:

• सर्वतः (sarvataḥ) - from all aspects, universally (from all sides, completely, everywhere)

• सत्कृतः (satkṛtaḥ) - honored, respected, properly treated

• सद्भिः (sadbhiḥ) - by good people, by the virtuous

• भूतिप्रभावकारणैः (bhūtiprabhāvakāraṇaiḥ) - by those who foster well-being and influence (by those who are the cause of prosperity and influence/power)

• हृदयेन (hṛdayena) - by one's inner conscience (by the heart, with the heart)

• अभ्यनुज्ञातः (abhyanujñātaḥ) - assented to (approved, consented, permitted)

• यः (yaḥ) - which (dharma) (which, who)

• धर्मः (dharmaḥ) - natural law (natural law, intrinsic nature, duty, righteousness, constitution)

• तम् (tam) - that (dharma) (him, that)

• व्यवस्यति (vyavasyati) - acts upon (undertakes, decides, determines, acts upon)

Words meanings and morphology

सर्वतः (sarvataḥ) - from all aspects, universally (from all sides, completely, everywhere)

(indeclinable)

derived from sarva ('all') with -tas suffix

सत्कृतः (satkṛtaḥ) - honored, respected, properly treated

(adjective)

Nominative, masculine, singular of satkṛta

satkṛta - honored, respected, well-treated

Past Passive Participle

kṛta (P.P.P. of √kṛ 'to do') preceded by sat ('good')

Compound type : tatpurusha (sat+kṛta)

• sat – good, virtuous, existing
  adjective (masculine)
  Present Active Participle
  P.A.P. of √as ('to be')
  Root: as (class 2)
• kṛta – done, made, performed
  adjective (masculine)
  Past Passive Participle
  P.P.P. of √kṛ 'to do, to make'
  Root: kṛ (class 8)

Note: Refers to dharma.

सद्भिः (sadbhiḥ) - by good people, by the virtuous

(adjective)

Instrumental, masculine, plural of sat

sat - good, virtuous, existing, real

Present Active Participle

P.A.P. of √as ('to be')

Root: as (class 2)

Note: Used substantively as 'good people'.

भूतिप्रभावकारणैः (bhūtiprabhāvakāraṇaiḥ) - by those who foster well-being and influence (by those who are the cause of prosperity and influence/power)

(noun)

Instrumental, masculine, plural of bhūtiprabhāvakāraṇa

bhūtiprabhāvakāraṇa - cause of prosperity and influence/power

Compound type : tatpurusha (bhūti+prabhāva+kāraṇa)

• bhūti – well-being, prosperity, existence, ashes
  noun (feminine)
  from √bhū 'to be, to become'
  Root: bhū (class 1)
• prabhāva – power, influence, might, glory
  noun (masculine)
  from pra-√bhū 'to arise, to be powerful'
  Prefix: pra
  Root: bhū (class 1)
• kāraṇa – cause, reason, instrument
  noun (neuter)
  from √kṛ 'to do' with -ana suffix
  Root: kṛ (class 8)

Note: It qualifies sadbhiḥ, hence masculine plural instrumental.

हृदयेन (hṛdayena) - by one's inner conscience (by the heart, with the heart)

(noun)

Instrumental, neuter, singular of hṛdaya

hṛdaya - heart, mind, conscience

अभ्यनुज्ञातः (abhyanujñātaḥ) - assented to (approved, consented, permitted)

(adjective)

Nominative, masculine, singular of abhyanujñāta

abhyanujñāta - approved, consented, permitted

Past Passive Participle

P.P.P. of √jñā 'to know' with upasargas abhi and anu

Prefixes: abhi+anu

Root: jñā (class 9)

Note: Refers to dharma.

यः (yaḥ) - which (dharma) (which, who)

(pronoun)

Nominative, masculine, singular of yad

yad - which, what, who

Note: Relative pronoun referring to dharma.

धर्मः (dharmaḥ) - natural law (natural law, intrinsic nature, duty, righteousness, constitution)

(noun)

Nominative, masculine, singular of dharma

dharma - natural law, intrinsic nature, duty, righteousness, constitution, virtue

from √dhṛ 'to uphold, support'

Root: dhṛ (class 1)

तम् (tam) - that (dharma) (him, that)

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

Note: Correlative pronoun for yaḥ.

व्यवस्यति (vyavasyati) - acts upon (undertakes, decides, determines, acts upon)

(verb)

3rd person , singular, active, present indicative (laṭ) of vyavasya

Present Indicative

3rd person singular Present Indicative, Parasmaipada, from vi-ava-√so (or √sā) 'to determine'

Prefixes: vi+ava

Root: so (class 4)

Note: The implied subject is 'one' (a person).