महाभारतः mahābhārataḥ - book-6, chapter-116, verse-6

अन्वासत दुराधर्षं देवव्रतमरिंदमम् ।
अन्योन्यं प्रीतिमन्तस्ते यथापूर्वं यथावयः ॥६॥

6. anvāsata durādharṣaṁ devavratamariṁdamam ,
anyonyaṁ prītimantaste yathāpūrvaṁ yathāvayaḥ.

6. anvāsat durādharṣam devavratam arindamam
anyonyam prītimantaḥ te yathāpūrvam yathāvayaḥ

6. te anyonyam prītimantaḥ yathāpūrvam yathāvayaḥ
durādharṣam arindamam devavratam anvāsat

6. They, being affectionate to each other, sat down around the unassailable, enemy-subduing Devavrata, just as before and according to their age.

Words meanings summery:

• अन्वासत् (anvāsat) - they sat around, they attended, they sat down

• दुराधर्षम् (durādharṣam) - unassailable, unconquerable, difficult to overcome

• देवव्रतम् (devavratam) - Bhīṣma (Devavrata (name of Bhīṣma))

• अरिन्दमम् (arindamam) - subduer of enemies, enemy-tamer

• अन्योन्यम् (anyonyam) - mutually, each other

• प्रीतिमन्तः (prītimantaḥ) - affectionate, loving, having affection

• ते (te) - they

• यथापूर्वम् (yathāpūrvam) - as before, as previously, in the former manner

• यथावयः (yathāvayaḥ) - according to age

Words meanings and morphology

अन्वासत् (anvāsat) - they sat around, they attended, they sat down

(verb)

3rd person , plural, active, past imperfect (Laṅ) of anu-ās

Prefix: anu

Root: ās (class 2)

दुराधर्षम् (durādharṣam) - unassailable, unconquerable, difficult to overcome

(adjective)

Accusative, masculine, singular of durādharṣa

durādharṣa - unassailable, unconquerable, difficult to approach or overcome

Compound type : tatpuruṣa (dus+ādharṣa)

• dus – bad, difficult, ill-
  indeclinable
• ādharṣa – assault, attack, overcoming
  noun (masculine)

Note: Qualifies 'devavratam'.

देवव्रतम् (devavratam) - Bhīṣma (Devavrata (name of Bhīṣma))

(proper noun)

Accusative, masculine, singular of devavrata

devavrata - Devavrata (name of Bhīṣma); one whose vow is sacred or divine

Compound type : bahuvrīhi (deva+vrata)

• deva – god, divine
  noun (masculine)
• vrata – vow, sacred observance, religious duty
  noun (neuter)

अरिन्दमम् (arindamam) - subduer of enemies, enemy-tamer

(adjective)

Accusative, masculine, singular of arindama

arindama - subduing enemies, enemy-tamer

Compound type : tatpuruṣa (ari+dama)

• ari – enemy, foe
  noun (masculine)
• dama – taming, subduing, self-control
  noun (masculine)
  Root: dam (class 4)

Note: Qualifies 'devavratam'.

अन्योन्यम् (anyonyam) - mutually, each other

(indeclinable)

Note: Used adverbially here.

प्रीतिमन्तः (prītimantaḥ) - affectionate, loving, having affection

(adjective)

Nominative, masculine, plural of prītimat

prītimat - possessing affection, loving, affectionate

Derived from 'prīti' (affection) with the possessive suffix '-mat'.

Note: Qualifies 'te' (they).

ते (te) - they

(pronoun)

Nominative, masculine, plural of tad

tad - that, he, she, it

Note: Refers to the Kurus and Pandavas.

यथापूर्वम् (yathāpūrvam) - as before, as previously, in the former manner

(indeclinable)

Compound type : avyayībhāva (yathā+pūrva)

• yathā – as, according to, in which manner
  indeclinable
• pūrva – former, earlier, prior
  adjective (masculine)

यथावयः (yathāvayaḥ) - according to age

(indeclinable)

Compound type : avyayībhāva (yathā+vayas)

• yathā – as, according to, in which manner
  indeclinable
• vayas – age, time of life, youth
  noun (neuter)