महाभारतः mahābhārataḥ - book-3, chapter-160, verse-15

अत्रैव प्रतितिष्ठन्ति पुनरत्रोदयन्ति च ।
सप्त देवर्षयस्तात वसिष्ठप्रमुखाः सदा ॥१५॥

15. atraiva pratitiṣṭhanti punaratrodayanti ca ,
sapta devarṣayastāta vasiṣṭhapramukhāḥ sadā.

15. atra eva pratitiṣṭhanti punaḥ atra udayanti ca
sapta devarṣayaḥ tāta vasiṣṭhapramukhāḥ sadā

15. O dear one (tāta)! The seven divine sages (devarṣayaḥ), headed by Vasiṣṭha (vasiṣṭhapramukhāḥ), always (sadā) establish themselves here (atra eva) and rise again from here.

Words meanings summery:

• अत्र (atra) - in Mount Meru (here, in this place)

• एव (eva) - indeed, only, certainly

• प्रतितिष्ठन्ति (pratitiṣṭhanti) - they stand, they dwell, they establish themselves

• पुनः (punaḥ) - again, furthermore, then

• अत्र (atra) - from Mount Meru (here, in this place)

• उदयन्ति (udayanti) - they rise, they originate

• च (ca) - and

• सप्त (sapta) - seven

• देवर्षयः (devarṣayaḥ) - divine sages

• तात (tāta) - O dear one, father, son

• वसिष्ठप्रमुखाः (vasiṣṭhapramukhāḥ) - headed by Vasiṣṭha, with Vasiṣṭha as chief

• सदा (sadā) - always, ever

Words meanings and morphology

अत्र (atra) - in Mount Meru (here, in this place)

(indeclinable)

Note: Refers to Mount Meru.

एव (eva) - indeed, only, certainly

(indeclinable)

प्रतितिष्ठन्ति (pratitiṣṭhanti) - they stand, they dwell, they establish themselves

(verb)

3rd person , plural, active, present (laṭ) of pratitiṣṭh

Present indicative

From √sthā with prefix prati-

Prefix: prati

Root: sthā (class 1)

पुनः (punaḥ) - again, furthermore, then

(indeclinable)

Also punah

अत्र (atra) - from Mount Meru (here, in this place)

(indeclinable)

Note: Refers to Mount Meru.

उदयन्ति (udayanti) - they rise, they originate

(verb)

3rd person , plural, active, present (laṭ) of uday

Present indicative

From √i (to go) with prefix ud-

Prefix: ud

Root: i (class 2)

च (ca) - and

(indeclinable)

सप्त (sapta) - seven

(numeral)

देवर्षयः (devarṣayaḥ) - divine sages

(noun)

Nominative, masculine, plural of devarṣi

devarṣi - divine sage, celestial seer

Compound of deva (god) and ṛṣi (sage)

Compound type : tatpuruṣa (deva+ṛṣi)

• deva – god, deity, celestial
  noun (masculine)
  Root: div (class 4)
• ṛṣi – sage, seer, inspired poet
  noun (masculine)
  Root: ṛṣ (class 1)

Note: Subject of 'pratitiṣṭhanti' and 'udayanti'.

तात (tāta) - O dear one, father, son

(noun)

Vocative, masculine, singular of tāta

tāta - dear one, father, son (vocative of endearment)

Note: Addressed to a listener.

वसिष्ठप्रमुखाः (vasiṣṭhapramukhāḥ) - headed by Vasiṣṭha, with Vasiṣṭha as chief

(adjective)

Nominative, masculine, plural of vasiṣṭhapramukha

vasiṣṭhapramukha - headed by Vasiṣṭha, having Vasiṣṭha as chief

Bahuvrīhi compound, 'Vasiṣṭha' is a proper name, 'pramukha' means chief/foremost

Compound type : bahuvrīhi (vasiṣṭha+pramukha)

• vasiṣṭha – name of a prominent Vedic sage
  proper noun (masculine)
  Superlative of 'vasu' (good, excellent)
  Root: vas (class 1)
• pramukha – chief, foremost, leader
  noun (masculine)
  From mukha (face, head) with prefix pra-
  Prefix: pra
  Root: mukh (class 1)

Note: Modifies 'devarṣayaḥ'.

सदा (sadā) - always, ever

(indeclinable)

Adverbial derivation

Note: Modifies the verbs 'pratitiṣṭhanti' and 'udayanti'.