महाभारतः mahābhārataḥ - book-12, chapter-290, verse-8

राजर्षिविषयाञ्ज्ञात्वा ब्रह्मर्षिविषयांस्तथा ।
आसुरान्विषयाञ्ज्ञात्वा वैश्वदेवांस्तथैव च ॥८॥

8. rājarṣiviṣayāñjñātvā brahmarṣiviṣayāṁstathā ,
āsurānviṣayāñjñātvā vaiśvadevāṁstathaiva ca.

8. rājarṣiviṣayān jñātvā brahmarṣiviṣayān tathā
āsurān viṣayān jñātvā vaiśvadevān tathā eva ca

8. rājarṣiviṣayān jñātvā tathā brahmarṣiviṣayān
āsurān viṣayān jñātvā tathā eva ca vaiśvadevān

8. Having understood the realms of the royal sages (Rājarṣis) and similarly those of the Brahman sages (Brahmarṣis), and having understood the realms of the Asuras and just so those of the Viśvedevas.

Words meanings summery:

• राजर्षिविषयान् (rājarṣiviṣayān) - realms of the royal sages (Rājarṣis) (realms of royal sages)

• ज्ञात्वा (jñātvā) - having understood (having known, having understood)

• ब्रह्मर्षिविषयान् (brahmarṣiviṣayān) - realms of the Brahman sages (Brahmarṣis) (realms of Brahman sages)

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

• आसुरान् (āsurān) - Asura (demonic) realms (demonic, belonging to Asuras)

• विषयान् (viṣayān) - realms (objects of sense, realms, domains)

• ज्ञात्वा (jñātvā) - having understood (having known, having understood)

• वैश्वदेवान् (vaiśvadevān) - realms of the Viśvedevas (universal deities) (belonging to the Viśvedevas, universal gods)

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

• एव (eva) - just so, exactly (only, just, indeed, very)

• च (ca) - and (and, also)

Words meanings and morphology

राजर्षिविषयान् (rājarṣiviṣayān) - realms of the royal sages (Rājarṣis) (realms of royal sages)

(noun)

Accusative, masculine, plural of rājarṣiviṣaya

rājarṣiviṣaya - realm of a royal sage

Tatpuruṣa compound: rājarṣi (royal sage) + viṣaya (realm).

Compound type : tatpuruṣa (rājarṣi+viṣaya)

• rājarṣi – royal sage, a king who is also a sage
  noun (masculine)
  Compound: rājan (king) + ṛṣi (sage). Guṇa sandhi `a` + `ṛ` -> `ar`.
• viṣaya – object, sphere, domain, region, scope
  noun (masculine)
  From `vi` + `si` (to bind) or `śī` (to lie, reside).
  Prefix: vi
  Root: si/śī (class 5)

Note: Compound word.

ज्ञात्वा (jñātvā) - having understood (having known, having understood)

(indeclinable)

Absolutive (gerund)

Derived from root `jñā` (to know) with suffix `tvā`.

Root: jñā (class 9)

ब्रह्मर्षिविषयान् (brahmarṣiviṣayān) - realms of the Brahman sages (Brahmarṣis) (realms of Brahman sages)

(noun)

Accusative, masculine, plural of brahmarṣiviṣaya

brahmarṣiviṣaya - realm of a Brahman sage

Tatpuruṣa compound: brahmarṣi (Brahman sage) + viṣaya (realm).

Compound type : tatpuruṣa (brahmarṣi+viṣaya)

• brahmarṣi – Brahman sage, a sage of the priestly class
  noun (masculine)
  Compound: brahman (Brahmin) + ṛṣi (sage). Guṇa sandhi `a` + `ṛ` -> `ar`.
• viṣaya – object, sphere, domain, region, scope
  noun (masculine)
  From `vi` + `si` (to bind) or `śī` (to lie, reside).
  Prefix: vi
  Root: si/śī (class 5)

Note: Compound word.

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

(indeclinable)

Note: Connects `brahmarṣiviṣayān` to `rājarṣiviṣayān`.

आसुरान् (āsurān) - Asura (demonic) realms (demonic, belonging to Asuras)

(adjective)

Accusative, masculine, plural of āsura

āsura - relating to an Asura, demonic, an Asura (demon)

Derived from `asura` (a demon, anti-god) + `aṇ` suffix.

Root: as (class 4)

Note: Qualifies `viṣayān`.

विषयान् (viṣayān) - realms (objects of sense, realms, domains)

(noun)

Accusative, masculine, plural of viṣaya

viṣaya - object, sphere, domain, region, scope, object of sense

From `vi` + `si` (to bind) or `śī` (to lie, reside).

Prefix: vi

Root: si/śī (class 5)

ज्ञात्वा (jñātvā) - having understood (having known, having understood)

(indeclinable)

Absolutive (gerund)

Derived from root `jñā` (to know) with suffix `tvā`.

Root: jñā (class 9)

वैश्वदेवान् (vaiśvadevān) - realms of the Viśvedevas (universal deities) (belonging to the Viśvedevas, universal gods)

(adjective)

Accusative, masculine, plural of vaiśvadeva

vaiśvadeva - relating to the Viśvedevas (a group of minor deities), universal

Derived from `viśvedeva` (all gods, universal gods) + `aṇ` suffix.

Note: Qualifies `viṣayān` (understood).

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

(indeclinable)

Note: Used in `tathaiva`.

एव (eva) - just so, exactly (only, just, indeed, very)

(indeclinable)

Emphatic particle.

च (ca) - and (and, also)

(indeclinable)

Conjunction.

Note: Final conjunction.