महाभारतः mahābhārataḥ - book-12, chapter-262, verse-13

यत एवंविधा विप्राः पुराणा यज्ञवाहनाः ।
त्रैविद्यवृद्धाः शुचयो वृत्तवन्तो यशस्विनः ।
यजन्तोऽहरहर्यज्ञैर्निराशीर्बन्धना बुधाः ॥१३॥

13. yata evaṁvidhā viprāḥ purāṇā yajñavāhanāḥ ,
traividyavṛddhāḥ śucayo vṛttavanto yaśasvinaḥ ,
yajanto'haraharyajñairnirāśīrbandhanā budhāḥ.

13. yata evamvidhāḥ viprāḥ purāṇāḥ
yajñavāhanāḥ traividyavṛddhāḥ śucayaḥ
vṛttavantaḥ yaśasvinaḥ yajantaḥ aharahaḥ
yajñaiḥ nirāśīrbandhanāḥ budhāḥ

13. yata evamvidhāḥ purāṇāḥ yajñavāhanāḥ
traividyavṛddhāḥ śucayaḥ vṛttavantaḥ
yaśasvinaḥ budhāḥ viprāḥ aharahaḥ
yajñaiḥ nirāśīrbandhanāḥ yajantaḥ

13. Because such wise Brahmins (viprāḥ), traditional and upholders of Vedic rituals (yajña), mature in the knowledge of the three Vedas, pure, virtuous, and famous, continually performed Vedic rituals (yajña) day after day, free from the bonds of desire (nirāśīrbandhanāḥ), being truly discerning...

Words meanings summery:

• यत (yata) - because, inasmuch as, whereby

• एवम्विधाः (evamvidhāḥ) - such, of this kind

• विप्राः (viprāḥ) - Brahmins, wise ones

• पुराणाः (purāṇāḥ) - ancient, traditional, old

• यज्ञवाहनाः (yajñavāhanāḥ) - those who faithfully perform Vedic rituals (yajña) (upholders of Vedic rituals, carriers of Vedic rituals)

• त्रैविद्यवृद्धाः (traividyavṛddhāḥ) - mature/experienced in the three Vedas

• शुचयः (śucayaḥ) - pure, clean

• वृत्तवन्तः (vṛttavantaḥ) - endowed with good conduct, virtuous

• यशस्विनः (yaśasvinaḥ) - renowned, famous, glorious

• यजन्तः (yajantaḥ) - performing Vedic rituals, sacrificing, worshipping

• अहरहः (aharahaḥ) - day by day, daily

• यज्ञैः (yajñaiḥ) - by Vedic rituals, with offerings

• निराशीर्बन्धनाः (nirāśīrbandhanāḥ) - free from the bonds of desire

• बुधाः (budhāḥ) - wise ones, learned ones

Words meanings and morphology

यत (yata) - because, inasmuch as, whereby

(indeclinable)

एवम्विधाः (evamvidhāḥ) - such, of this kind

(adjective)

Nominative, masculine, plural of evamvidha

evamvidha - such, of this kind

Compound type : karmadhāraya (evam+vidha)

• evam – thus, so, in this manner
  indeclinable
• vidha – kind, sort, manner
  noun (masculine)

विप्राः (viprāḥ) - Brahmins, wise ones

(noun)

Nominative, masculine, plural of vipra

vipra - Brahmin, wise man, inspired

पुराणाः (purāṇāḥ) - ancient, traditional, old

(adjective)

Nominative, masculine, plural of purāṇa

purāṇa - ancient, old, traditional; a Purana (sacred text)

यज्ञवाहनाः (yajñavāhanāḥ) - those who faithfully perform Vedic rituals (yajña) (upholders of Vedic rituals, carriers of Vedic rituals)

(adjective)

Nominative, masculine, plural of yajñavāhana

yajñavāhana - performing or carrying out Vedic rituals

Compound type : tatpuruṣa (yajña+vāhana)

• yajña – Vedic ritual, offering, worship
  noun (masculine)
  Root: yaj (class 1)
• vāhana – carrier, vehicle, bearer
  noun (neuter)
  Root: vah (class 1)

त्रैविद्यवृद्धाः (traividyavṛddhāḥ) - mature/experienced in the three Vedas

(adjective)

Nominative, masculine, plural of traividyavṛddha

traividyavṛddha - one grown or skilled in the three Vedas

Compound type : tatpuruṣa (traividya+vṛddha)

• traividya – knowledge of the three Vedas (Ṛg, Yajus, Sāma)
  noun (neuter)
• vṛddha – aged, old, mature, experienced
  adjective (masculine)
  Past Passive Participle
  Root: vṛdh (class 1)

शुचयः (śucayaḥ) - pure, clean

(adjective)

Nominative, masculine, plural of śuci

śuci - pure, clean, bright

वृत्तवन्तः (vṛttavantaḥ) - endowed with good conduct, virtuous

(adjective)

Nominative, masculine, plural of vṛttavat

vṛttavat - having good conduct, virtuous, well-behaved

Derived from 'vṛtta' (conduct) with suffix -vat.

यशस्विनः (yaśasvinaḥ) - renowned, famous, glorious

(adjective)

Nominative, masculine, plural of yaśasvin

yaśasvin - famous, glorious, renowned

यजन्तः (yajantaḥ) - performing Vedic rituals, sacrificing, worshipping

(participle)

Nominative, masculine, plural of yajat

yajat - performing Vedic rituals, worshipping

Present Active Participle

Root: yaj (class 1)

अहरहः (aharahaḥ) - day by day, daily

(indeclinable)

Compound type : avyayībhāva (ahar+ahar)

• ahar – day
  noun (neuter)
• ahar – day
  noun (neuter)

यज्ञैः (yajñaiḥ) - by Vedic rituals, with offerings

(noun)

Instrumental, masculine, plural of yajña

yajña - Vedic ritual, offering, worship

Root: yaj (class 1)

निराशीर्बन्धनाः (nirāśīrbandhanāḥ) - free from the bonds of desire

(adjective)

Nominative, masculine, plural of nirāśīrbandhana

nirāśīrbandhana - free from the ties of desire or expectation

Compound type : bahuvrīhi (nir+āśīs+bandhana)

• nir – without, out, free from
  indeclinable
  Prefix: nir
• āśīs – desire, wish, expectation, blessing
  noun (feminine)
• bandhana – bond, tie, fetter, binding
  noun (neuter)
  Root: bandh (class 9)

बुधाः (budhāḥ) - wise ones, learned ones

(noun)

Nominative, masculine, plural of budha

budha - wise, learned, intelligent; a wise person

Root: budh (class 1)