महाभारतः mahābhārataḥ - book-12, chapter-99, verse-7

ब्रह्मचर्येण घोरेण आचार्यकुलसेवया ।
वेदानधीत्य धर्मेण राजशास्त्रं च केवलम् ॥७॥

7. brahmacaryeṇa ghoreṇa ācāryakulasevayā ,
vedānadhītya dharmeṇa rājaśāstraṁ ca kevalam.

7. brahmacaryeṇa ghoreṇa ācāryakulasevayā vedān
adhītya dharmeṇa rājaśāstram ca kevalam

7. ghoreṇa brahmacaryeṇa ācāryakulasevayā ca
dharmeṇa vedān kevalam rājaśāstram adhītya

7. Having studied the Vedas and solely political science, righteously (dharma), through severe celibacy (brahmacarya) and service to the teacher's (ācārya) family.

Words meanings summery:

• ब्रह्मचर्येण (brahmacaryeṇa) - through strict celibacy (brahmacarya) (by celibacy, by student life, by religious studentship)

• घोरेण (ghoreṇa) - by severe (celibacy) (by severe, by terrible, by fierce)

• आचार्यकुलसेवया (ācāryakulasevayā) - through service to the teacher's (guru) family (by service to the teacher's family/household)

• वेदान् (vedān) - the Vedas (the Vedas (sacred texts))

• अधीत्य (adhītya) - having studied (the Vedas and political science) (having studied, having read)

• धर्मेण (dharmeṇa) - righteously (dharma), according to proper conduct (by dharma, righteously, according to duty)

• राजशास्त्रम् (rājaśāstram) - political science (political science, royal science)

• च (ca) - and (and, also)

• केवलम् (kevalam) - solely, only (political science) (exclusively, solely, only, entirely)

Words meanings and morphology

ब्रह्मचर्येण (brahmacaryeṇa) - through strict celibacy (brahmacarya) (by celibacy, by student life, by religious studentship)

(noun)

Instrumental, neuter, singular of brahmacarya

brahmacarya - religious studentship, celibacy, chaste life, adherence to Brahman

Compound type : tatpuruṣa (brahman+carya)

• brahman – sacred knowledge, Veda, Brahman (the ultimate reality)
  noun (neuter)
• carya – conduct, practice, observance
  noun (neuter)

Note: Means of studying.

घोरेण (ghoreṇa) - by severe (celibacy) (by severe, by terrible, by fierce)

(adjective)

Instrumental, neuter, singular of ghora

ghora - terrible, dreadful, severe, fierce

Note: Qualifies `brahmacaryeṇa`.

आचार्यकुलसेवया (ācāryakulasevayā) - through service to the teacher's (guru) family (by service to the teacher's family/household)

(noun)

Instrumental, feminine, singular of ācāryakulasevā

ācāryakulasevā - service to the teacher's family/household

Compound type : tatpuruṣa (ācārya+kula+sevā)

• ācārya – teacher, preceptor, guru
  noun (masculine)
• kula – family, lineage, household
  noun (neuter)
• sevā – service, worship
  noun (feminine)

Note: Means of studying.

वेदान् (vedān) - the Vedas (the Vedas (sacred texts))

(noun)

Accusative, masculine, plural of veda

veda - Veda (sacred knowledge, texts), knowledge

Root: vid (class 2)

Note: Object of `adhītya`.

अधीत्य (adhītya) - having studied (the Vedas and political science) (having studied, having read)

(indeclinable)

absolutive (lyap)

Derived from root i (to go) with prefix adhi + suffix lyap

Prefix: adhi

Root: i (class 2)

धर्मेण (dharmeṇa) - righteously (dharma), according to proper conduct (by dharma, righteously, according to duty)

(noun)

Instrumental, masculine, singular of dharma

dharma - righteousness, duty, natural law, virtue, religion, custom

Note: Indicates the manner of studying.

राजशास्त्रम् (rājaśāstram) - political science (political science, royal science)

(noun)

Accusative, neuter, singular of rājaśāstra

rājaśāstra - political science, royal science, science of government

Compound type : tatpuruṣa (rājan+śāstra)

• rājan – king, ruler
  noun (masculine)
• śāstra – scripture, treatise, rule, science
  noun (neuter)

Note: Object of `adhītya`.

च (ca) - and (and, also)

(indeclinable)

Note: Connects `vedān` and `rājaśāstram`.

केवलम् (kevalam) - solely, only (political science) (exclusively, solely, only, entirely)

(adjective)

Accusative, neuter, singular of kevala

kevala - sole, only, exclusive, entire, pure

Note: Modifies `rājaśāstram`.