महाभारतः mahābhārataḥ - book-3, chapter-186, verse-10

शयानममितात्मानं पद्मे पद्मनिकेतनम् ।
त्वमेकः सर्वभूतेशं ब्रह्माणमुपतिष्ठसि ॥१०॥

10. śayānamamitātmānaṁ padme padmaniketanam ,
tvamekaḥ sarvabhūteśaṁ brahmāṇamupatiṣṭhasi.

10. śayānam amita-ātmanam padme padmaniketenam
tvam ekaḥ sarvabhūteśam brahmāṇam upatiṣṭhasi

10. You alone approach Brahmā, the lord of all beings, who lies on a lotus, whose self (ātman) is immeasurable, and whose abode is a lotus.

Words meanings summery:

• शयानम् (śayānam) - (who is) lying down (lying, sleeping)

• अमित-आत्मनम् (amita-ātmanam) - who has an immeasurable self (ātman) (whose self (ātman) is immeasurable)

• पद्मे (padme) - on the cosmic lotus (on a lotus)

• पद्मनिकेतेनम् (padmaniketenam) - who has a lotus as his abode (whose abode is a lotus, lotus-dwelling)

• त्वम् (tvam) - you (the speaker's interlocutor) (you)

• एकः (ekaḥ) - you alone (one, alone, unique)

• सर्वभूतेशम् (sarvabhūteśam) - the lord of all beings

• ब्रह्माणम् (brahmāṇam) - (Lord) Brahma (Brahma)

• उपतिष्ठसि (upatiṣṭhasi) - you worship/serve (him) (you approach, you serve, you worship)

Words meanings and morphology

शयानम् (śayānam) - (who is) lying down (lying, sleeping)

(adjective)

Accusative, masculine, singular of śayāna

śayāna - lying down, sleeping, reposing

Present Middle Participle

Derived from root śī (to lie down, sleep)

Root: śī (class 2)

अमित-आत्मनम् (amita-ātmanam) - who has an immeasurable self (ātman) (whose self (ātman) is immeasurable)

(adjective)

Accusative, masculine, singular of amitātman

amitātman - having an immeasurable self (ātman), infinite-souled

Compound type : bahuvrīhi (amita+ātman)

• amita – immeasurable, infinite, boundless
  adjective
  Past Passive Participle
  Derived from root mā (to measure) with prefix a (negation)
  Prefix: a
  Root: mā (class 2)
• ātman – self, soul, spirit, ultimate reality (ātman)
  noun (masculine)

Note: Accusative singular, agreeing with the object being worshipped.

पद्मे (padme) - on the cosmic lotus (on a lotus)

(noun)

Locative, neuter, singular of padma

padma - lotus, lotus flower

पद्मनिकेतेनम् (padmaniketenam) - who has a lotus as his abode (whose abode is a lotus, lotus-dwelling)

(adjective)

Accusative, masculine, singular of padmaniketana

padmaniketana - one whose abode is a lotus

Compound type : bahuvrīhi (padma+niketana)

• padma – lotus
  noun (neuter)
• niketana – abode, dwelling, home
  noun (neuter)

Note: Accusative singular, agreeing with the object being worshipped.

त्वम् (tvam) - you (the speaker's interlocutor) (you)

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you

एकः (ekaḥ) - you alone (one, alone, unique)

(adjective)

Nominative, masculine, singular of eka

eka - one, single, alone, unique

Note: Agrees with 'tvam' (implied masculine speaker).

सर्वभूतेशम् (sarvabhūteśam) - the lord of all beings

(noun)

Accusative, masculine, singular of sarvabhūteśa

sarvabhūteśa - lord of all beings, sovereign of all creatures

Compound type : tatpuruṣa (sarvabhūta+īśa)

• sarvabhūta – all beings, all creatures
  noun (neuter)
• īśa – lord, master, ruler
  noun (masculine)

ब्रह्माणम् (brahmāṇam) - (Lord) Brahma (Brahma)

(proper noun)

Accusative, masculine, singular of brahman

brahman - Brahma (the creator god), sacred utterance, ultimate reality (brahman)

Root: bṛh

उपतिष्ठसि (upatiṣṭhasi) - you worship/serve (him) (you approach, you serve, you worship)

(verb)

2nd person , singular, active, present (laṭ) of upatiṣṭhā

Prefix: upa

Root: sthā (class 1)