महाभारतः mahābhārataḥ - book-1, chapter-96, verse-46

सतां धर्मेण धर्मज्ञः कृत्वा कर्मातिमानुषम् ।
भ्रातुर्विचित्रवीर्यस्य विवाहायोपचक्रमे ।
सत्यवत्या सह मिथः कृत्वा निश्चयमात्मवान् ॥४६॥

46. satāṁ dharmeṇa dharmajñaḥ kṛtvā karmātimānuṣam ,
bhrāturvicitravīryasya vivāhāyopacakrame ,
satyavatyā saha mithaḥ kṛtvā niścayamātmavān.

46. satām dharmeṇa dharmajñaḥ kṛtvā
karma atimānuṣam bhrātuḥ vicitravīryasya
vivāhāya upacakrame satyavatyā
saha mithaḥ kṛtvā niścayam ātmavān

46. The resolute Bhishma, a knower of dharma, having performed that superhuman feat for the sake of the good, secretly made a decision with Satyavati and then began the arrangements for his brother Vichitravirya's marriage.

Words meanings summery:

• सताम् (satām) - of the good, of the righteous

• धर्मेण (dharmeṇa) - by dharma, by righteousness, by duty

• धर्मज्ञः (dharmajñaḥ) - knower of dharma

• कृत्वा (kṛtvā) - having done, having made

• कर्म (karma) - action, deed, karma

• अतिमानुषम् (atimānuṣam) - superhuman, extraordinary

• भ्रातुः (bhrātuḥ) - of the brother

• विचित्रवीर्यस्य (vicitravīryasya) - of Vichitravirya

• विवाहाय (vivāhāya) - for marriage

• उपचक्रमे (upacakrame) - began, undertook

• सत्यवत्या (satyavatyā) - with Satyavati

• सह (saha) - with, together with

• मिथः (mithaḥ) - secretly, mutually, together

• कृत्वा (kṛtvā) - having made, having done

• निश्चयम् (niścayam) - decision, resolution

• आत्मवान् (ātmavān) - self-possessed, resolute, intelligent

Words meanings and morphology

सताम् (satām) - of the good, of the righteous

(adjective)

Genitive, masculine, plural of sat

sat - good, virtuous, existing, true

Present Active Participle

Derived from root AS (to be)

Root: as (class 2)

धर्मेण (dharmeṇa) - by dharma, by righteousness, by duty

(noun)

Instrumental, masculine, singular of dharma

dharma - righteousness, duty, law, virtue, religion

धर्मज्ञः (dharmajñaḥ) - knower of dharma

(adjective)

Nominative, masculine, singular of dharmajña

dharmajña - knower of dharma/righteousness

Compound type : tatpurusha (dharma+jña)

• dharma – righteousness, duty, law, virtue, religion
  noun (masculine)
• jña – knower, understanding
  adjective (masculine)
  Derived from root JÑĀ (to know)
  Root: jñā (class 9)

कृत्वा (kṛtvā) - having done, having made

(indeclinable)

Absolutive (Gerund)

Derived from root KṚ

Root: kṛ (class 8)

कर्म (karma) - action, deed, karma

(noun)

Accusative, neuter, singular of karma

karma - action, deed, work, ritual

अतिमानुषम् (atimānuṣam) - superhuman, extraordinary

(adjective)

Accusative, neuter, singular of atimānuṣa

atimānuṣa - superhuman, extraordinary

Compound type : bahuvrihi (ati+mānuṣa)

• ati – beyond, excessive, very
  indeclinable
• mānuṣa – human, belonging to man
  noun (masculine)

भ्रातुः (bhrātuḥ) - of the brother

(noun)

Genitive, masculine, singular of bhrātṛ

bhrātṛ - brother

विचित्रवीर्यस्य (vicitravīryasya) - of Vichitravirya

(proper noun)

Genitive, masculine, singular of vicitravīrya

vicitravīrya - Vichitravirya (name of a king)

विवाहाय (vivāhāya) - for marriage

(noun)

Dative, masculine, singular of vivāha

vivāha - marriage, wedding

उपचक्रमे (upacakrame) - began, undertook

(verb)

3rd person , singular, middle, past perfect (lit) of kram

Perfect

Derived from root KRAM with prefix UPA, Middle voice

Prefix: upa

Root: kram (class 1)

सत्यवत्या (satyavatyā) - with Satyavati

(proper noun)

Instrumental, feminine, singular of satyavatī

satyavatī - Satyavati (name of a queen, mother of Vichitravirya and Vyasa)

सह (saha) - with, together with

(indeclinable)

मिथः (mithaḥ) - secretly, mutually, together

(indeclinable)

कृत्वा (kṛtvā) - having made, having done

(indeclinable)

Absolutive (Gerund)

Derived from root KṚ

Root: kṛ (class 8)

निश्चयम् (niścayam) - decision, resolution

(noun)

Accusative, masculine, singular of niścaya

niścaya - certainty, decision, resolution, conviction

आत्मवान् (ātmavān) - self-possessed, resolute, intelligent

(adjective)

Nominative, masculine, singular of ātmavat

ātmavat - possessed of a self, resolute, intelligent, prudent

Possessive suffix -vat