महाभारतः mahābhārataḥ - book-2, chapter-3, verse-13

नरनारायणौ ब्रह्मा यमः स्थाणुश्च पञ्चमः ।
उपासते यत्र सत्रं सहस्रयुगपर्यये ॥१३॥

13. naranārāyaṇau brahmā yamaḥ sthāṇuśca pañcamaḥ ,
upāsate yatra satraṁ sahasrayugaparyaye.

13. naranārāyaṇau brahmā yamaḥ sthāṇuḥ ca pañcamaḥ
upāsate yatra satram sahasrayugaparyaye

13. It is there where Nara and Nārāyaṇa, Brahmā, Yama, and Sthāṇu (Śiva) as the fifth, perform a sacrificial session (yajña) at the end of a thousand ages (yuga).

Words meanings summery:

• नरनारायणौ (naranārāyaṇau) - Nara and Nārāyaṇa

• ब्रह्मा (brahmā) - Brahmā (the creator god)

• यमः (yamaḥ) - Yama (the god of death)

• स्थाणुः (sthāṇuḥ) - Sthāṇu (an epithet of Śiva) (Sthāṇu)

• च (ca) - and

• पञ्चमः (pañcamaḥ) - fifth

• उपासते (upāsate) - they worship, they serve

• यत्र (yatra) - where, in which place

• सत्रम् (satram) - sacrifice, sacrificial session

• सहस्रयुगपर्यये (sahasrayugaparyaye) - at the end of a thousand ages (yuga) (at the end of a thousand ages)

Words meanings and morphology

नरनारायणौ (naranārāyaṇau) - Nara and Nārāyaṇa

(proper noun)

Nominative, masculine, dual of naranārāyaṇa

naranārāyaṇa - Nara and Nārāyaṇa (divine sages)

Compound type : dvandva (nara+nārāyaṇa)

• nara – man, human being
  noun (masculine)
• nārāyaṇa – Nārāyaṇa (epithet of Viṣṇu)
  proper noun (masculine)

ब्रह्मा (brahmā) - Brahmā (the creator god)

(proper noun)

Nominative, masculine, singular of brahman

brahman - Brahmā (the creator god); the Absolute Reality (brahman)

यमः (yamaḥ) - Yama (the god of death)

(proper noun)

Nominative, masculine, singular of yama

yama - Yama (the god of death); restraint, discipline

Root: yam (class 1)

स्थाणुः (sthāṇuḥ) - Sthāṇu (an epithet of Śiva) (Sthāṇu)

(proper noun)

Nominative, masculine, singular of sthāṇu

sthāṇu - Sthāṇu (epithet of Śiva); pillar, immovable, stable

च (ca) - and

(indeclinable)

पञ्चमः (pañcamaḥ) - fifth

(adjective)

Nominative, masculine, singular of pañcama

pañcama - fifth

उपासते (upāsate) - they worship, they serve

(verb)

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

Prefixes: upa+ās

Root: ās (class 2)

Note: Atmanepada form. The subjects are Nara, Nārāyaṇa, Brahmā, Yama, Sthāṇu (5 in total, hence plural verb).

यत्र (yatra) - where, in which place

(indeclinable)

सत्रम् (satram) - sacrifice, sacrificial session

(noun)

Accusative, neuter, singular of satra

satra - sacrificial session, sacrifice, assembly, house

सहस्रयुगपर्यये (sahasrayugaparyaye) - at the end of a thousand ages (yuga) (at the end of a thousand ages)

(noun)

Locative, masculine, singular of sahasrayugaparyaya

sahasrayugaparyaya - the end of a thousand yugas

Compound type : tatpuruṣa (sahasra+yuga+paryaya)

• sahasra – thousand
  numeral (neuter)
• yuga – age, epoch, yoke
  noun (neuter)
• paryaya – turn, sequence, end, period
  noun (masculine)