महाभारतः mahābhārataḥ - book-12, chapter-60, verse-49

तानि यः संविजानाति ज्ञाननिश्चयनिश्चितः ।
द्विजातिः श्रद्धयोपेतः स यष्टुं पुरुषोऽर्हति ॥४९॥

49. tāni yaḥ saṁvijānāti jñānaniścayaniścitaḥ ,
dvijātiḥ śraddhayopetaḥ sa yaṣṭuṁ puruṣo'rhati.

49. tāni yaḥ saṃvijānāti jñānaniścayaniścitaḥ
dvijātiḥ śraddhayopetaḥ sa yaṣṭuṃ puruṣaḥ arhati

49. yaḥ tāni saṃvijānāti,
jñānaniścayaniścitaḥ śraddhayopetaḥ dvijātiḥ sa puruṣaḥ yaṣṭuṃ arhati

49. A twice-born (dvijāti) who thoroughly understands those principles, whose conviction is firm through knowledge, and who is endowed with faith (śraddhā), that person is indeed worthy to perform a Vedic ritual (yajña).

Words meanings summery:

• तानि (tāni) - those

• यः (yaḥ) - who, whoever

• संविजानाति (saṁvijānāti) - understands well, knows thoroughly, recognizes

• ज्ञाननिश्चयनिश्चितः (jñānaniścayaniścitaḥ) - firmly resolved by the certainty of knowledge, steadfast in conviction through knowledge

• द्विजातिः (dvijātiḥ) - a member of the first three social classes (Brahmin, Kshatriya, Vaishya) (twice-born)

• श्रद्धयोपेतः (śraddhayopetaḥ) - endowed with faith

• स (sa) - he, that

• यष्टुं (yaṣṭuṁ) - to sacrifice, to worship

• पुरुषः (puruṣaḥ) - person

• अर्हति (arhati) - is worthy, deserves, is able, is fit

Words meanings and morphology

तानि (tāni) - those

(pronoun)

Accusative, neuter, plural of tad

tad - that, those

यः (yaḥ) - who, whoever

(pronoun)

Nominative, masculine, singular of yad

yad - which, who, what, whoever

संविजानाति (saṁvijānāti) - understands well, knows thoroughly, recognizes

(verb)

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

Derived from root jñā (to know) with upasargas sam and vi.

Prefixes: sam+vi

Root: jñā (class 9)

ज्ञाननिश्चयनिश्चितः (jñānaniścayaniścitaḥ) - firmly resolved by the certainty of knowledge, steadfast in conviction through knowledge

(adjective)

Nominative, masculine, singular of jñānaniścayaniścita

jñānaniścayaniścita - firmly resolved by the certainty of knowledge

A compound adjective.

Compound type : tatpuruṣa (jñāna+niścaya+niścita)

• jñāna – knowledge, wisdom
  noun (neuter)
  Root: jñā (class 9)
• niścaya – certainty, conviction, determination
  noun (masculine)
  Derived from root ci with upasarga ni and suffix aya.
  Prefix: ni
  Root: ci (class 5)
• niścita – certain, ascertained, determined, firm, resolved
  adjective (masculine)
  Past Passive Participle
  Derived from root ci (to gather, observe) with upasarga ni and suffix kta.
  Prefix: ni
  Root: ci (class 5)

द्विजातिः (dvijātiḥ) - a member of the first three social classes (Brahmin, Kshatriya, Vaishya) (twice-born)

(noun)

Nominative, masculine, singular of dvijāti

dvijāti - twice-born (Brahmin, Kshatriya, Vaishya); bird; tooth

Compound 'dvi' (two) + 'jāti' (birth).

Compound type : bahuvrīhi (dvi+jāti)

• dvi – two
  numeral
• jāti – birth, origin, species, class
  noun (feminine)
  Root: jan (class 4)

श्रद्धयोपेतः (śraddhayopetaḥ) - endowed with faith

(adjective)

Nominative, masculine, singular of śraddhayopeta

śraddhayopeta - endowed with faith

Compound formed from śraddhā (faith) in instrumental case + upeta (endowed).

Compound type : tatpuruṣa (śraddhā+upeta)

• śraddhā – faith, trust, belief (śraddhā)
  noun (feminine)
• upeta – endowed, possessed of, furnished with, approached
  adjective (masculine)
  Past Passive Participle
  Derived from root i (to go) with upasarga upa and suffix kta.
  Prefix: upa
  Root: i (class 2)

स (sa) - he, that

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

यष्टुं (yaṣṭuṁ) - to sacrifice, to worship

(indeclinable)

Infinitive

Infinitive form of the root yaj.

Root: yaj (class 1)

पुरुषः (puruṣaḥ) - person

(noun)

Nominative, masculine, singular of puruṣa

puruṣa - man, person, male, human being, the supreme cosmic person (puruṣa)

अर्हति (arhati) - is worthy, deserves, is able, is fit

(verb)

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

Root: arh (class 1)