महाभारतः mahābhārataḥ - book-12, chapter-12, verse-23

स्वाध्याययज्ञा ऋषयो ज्ञानयज्ञास्तथापरे ।
अथापरे महायज्ञान्मनसैव वितन्वते ॥२३॥

23. svādhyāyayajñā ṛṣayo jñānayajñāstathāpare ,
athāpare mahāyajñānmanasaiva vitanvate.

23. svādhyāyayajñāḥ ṛṣayaḥ jñānayajñāḥ tathā apare
atha apare mahāyajñān manasā eva vitanvate

23. ṛṣayaḥ kecit svādhyāyayajñāḥ tathā apare jñānayajñāḥ
atha apare manasā eva mahāyajñān vitanvate

23. Some sages perform the Vedic ritual (yajña) of self-study (svādhyāya-yajña), and others perform the Vedic ritual (yajña) of knowledge (jñāna-yajña). Furthermore, some others perform great sacrifices (mahā-yajña) merely through their mind.

Words meanings summery:

• स्वाध्याययज्ञाः (svādhyāyayajñāḥ) - those who perform the sacrifice of self-study (those for whom self-study is a sacrifice)

• ऋषयः (ṛṣayaḥ) - sages, seers

• ज्ञानयज्ञाः (jñānayajñāḥ) - those who perform the sacrifice of knowledge (those for whom knowledge is a sacrifice)

• तथा (tathā) - and, likewise (thus, so, similarly, and)

• अपरे (apare) - other sages (others, other ones)

• अथ (atha) - furthermore (now, then, moreover, furthermore)

• अपरे (apare) - other sages (others, other ones)

• महायज्ञान् (mahāyajñān) - great sacrifices

• मनसा (manasā) - merely through their mind (by mind, with mind)

• एव (eva) - merely (only, just, indeed, merely)

• वितन्वते (vitanvate) - they perform (they perform, they extend, they spread)

Words meanings and morphology

स्वाध्याययज्ञाः (svādhyāyayajñāḥ) - those who perform the sacrifice of self-study (those for whom self-study is a sacrifice)

(noun)

Nominative, masculine, plural of svādhyāyayajña

svādhyāyayajña - one whose sacrifice is self-study; one who performs the sacrifice of self-study

Compound type : bahuvrīhi (svādhyāya+yajña)

• svādhyāya – self-study, recitation of Vedic texts
  noun (masculine)
  derived from svā (self) and adhyāya (study)
• yajña – sacrifice, worship, offering
  noun (masculine)
  derived from root yaj (to sacrifice)
  Root: yaj (class 1)

ऋषयः (ṛṣayaḥ) - sages, seers

(noun)

Nominative, masculine, plural of ṛṣi

ṛṣi - sage, seer, inspired poet

Root: ṛṣ

ज्ञानयज्ञाः (jñānayajñāḥ) - those who perform the sacrifice of knowledge (those for whom knowledge is a sacrifice)

(noun)

Nominative, masculine, plural of jñānayajña

jñānayajña - knowledge-sacrifice, one for whom knowledge is a sacrifice

Compound type : bahuvrīhi (jñāna+yajña)

• jñāna – knowledge, wisdom
  noun (neuter)
  derived from root jñā (to know)
  Root: jñā (class 9)
• yajña – sacrifice, worship, offering
  noun (masculine)
  derived from root yaj (to sacrifice)
  Root: yaj (class 1)

तथा (tathā) - and, likewise (thus, so, similarly, and)

(indeclinable)

अपरे (apare) - other sages (others, other ones)

(adjective)

Nominative, masculine, plural of apara

apara - other, another, subsequent

अथ (atha) - furthermore (now, then, moreover, furthermore)

(indeclinable)

अपरे (apare) - other sages (others, other ones)

(adjective)

Nominative, masculine, plural of apara

apara - other, another, subsequent

महायज्ञान् (mahāyajñān) - great sacrifices

(noun)

Accusative, masculine, plural of mahāyajña

mahāyajña - great sacrifice, great offering

Compound type : karmadhāraya (mahā+yajña)

• mahā – great, large, extensive
  adjective
• yajña – sacrifice, worship, offering
  noun (masculine)
  derived from root yaj (to sacrifice)
  Root: yaj (class 1)

मनसा (manasā) - merely through their mind (by mind, with mind)

(noun)

Instrumental, neuter, singular of manas

manas - mind, intellect, heart

Root: man

एव (eva) - merely (only, just, indeed, merely)

(indeclinable)

वितन्वते (vitanvate) - they perform (they perform, they extend, they spread)

(verb)

3rd person , plural, middle, present (laṭ) of vitan

Prefix: vi

Root: tan (class 8)