महाभारतः mahābhārataḥ - book-12, chapter-326, verse-7

सहस्रोदरबाहुश्च अव्यक्त इति च क्वचित् ।
ओंकारमुद्गिरन्वक्त्रात्सावित्रीं च तदन्वयाम् ॥७॥

7. sahasrodarabāhuśca avyakta iti ca kvacit ,
oṁkāramudgiranvaktrātsāvitrīṁ ca tadanvayām.

7. sahastra-udara-bāhuḥ ca avyaktaḥ iti ca kvacit
oṃkāram udgiran vaktrāt sāvitrīm ca tad-anvayām

7. sahastra-udara-bāhuḥ ca kvacit ca avyaktaḥ iti
vaktrāt oṃkāram ca tad-anvayām sāvitrīm udgiran

7. He has a thousand bellies and arms, and is sometimes called the unmanifest (avyakta). From his mouth, he uttered the sacred syllable Om (oṃkāra) and also the Sāvitrī mantra connected with it.

Words meanings summery:

• सहस्त्र-उदर-बाहुः (sahastra-udara-bāhuḥ) - Referring to a deity described as having an immense form. (Having a thousand bellies and arms.)

• च (ca) - And, also.

• अव्यक्तः (avyaktaḥ) - Referring to the transcendent, unmanifest aspect of a deity or reality. (Unmanifest, unevolved, invisible.)

• इति (iti) - Used to introduce or conclude a statement or a name. (Thus, so, saying.)

• च (ca) - And, also.

• क्वचित् (kvacit) - Sometimes, in some place, occasionally.

• ॐकारम् (oṁkāram) - The sacred syllable Om.

• उद्गिरन् (udgiran) - Uttering sacred sounds or mantras. (Uttering, vomiting, sending forth.)

• वक्त्रात् (vaktrāt) - From the mouth.

• सावित्रीम् (sāvitrīm) - The Sāvitrī mantra.

• च (ca) - And, also.

• तद्-अन्वयाम् (tad-anvayām) - Referring to the Sāvitrī mantra being connected to Om. (Connected with it, related to it.)

Words meanings and morphology

सहस्त्र-उदर-बाहुः (sahastra-udara-bāhuḥ) - Referring to a deity described as having an immense form. (Having a thousand bellies and arms.)

(adjective)

Nominative, masculine, singular of sahastra-udara-bāhu

sahastra-udara-bāhu - One who has a thousand bellies and arms.

Compound: sahastra (thousand) + udara (belly) + bāhu (arm).

Compound type : bahuvrihi (sahastra+udara+bāhu)

• sahastra – thousand
  numeral (neuter)
• udara – belly, abdomen
  noun (neuter)
• bāhu – arm
  noun (masculine)

च (ca) - And, also.

(indeclinable)

अव्यक्तः (avyaktaḥ) - Referring to the transcendent, unmanifest aspect of a deity or reality. (Unmanifest, unevolved, invisible.)

(adjective)

Nominative, masculine, singular of avyakta

avyakta - unmanifest, unevolved, invisible, imperceptible

Past Passive Participle

Formed from a (negative prefix) + vi (prefix) + añj (to anoint, manifest) + kta (suffix for PPP)

Compound type : nañ-tatpuruṣa (a+vyakta)

• a – not, non-
  indeclinable
  Negative prefix
• vyakta – manifest, evident, clear
  adjective
  Past Passive Participle
  From vi + añj
  Prefix: vi
  Root: añj (class 7)

इति (iti) - Used to introduce or conclude a statement or a name. (Thus, so, saying.)

(indeclinable)

च (ca) - And, also.

(indeclinable)

क्वचित् (kvacit) - Sometimes, in some place, occasionally.

(indeclinable)

Formed from kva (where) + cit (an indeclinable particle)

ॐकारम् (oṁkāram) - The sacred syllable Om.

(noun)

Accusative, masculine, singular of oṃkāra

oṁkāra - the sacred syllable Om

उद्गिरन् (udgiran) - Uttering sacred sounds or mantras. (Uttering, vomiting, sending forth.)

(participle)

Nominative, masculine, singular of udgirat

udgirat - uttering, spewing forth, sending out

Present Active Participle

Formed from ud (up, forth) + gṝ (to swallow, utter) + śatṛ

Prefix: ud

Root: gṝ (class 6)

Note: modifies an implied subject

वक्त्रात् (vaktrāt) - From the mouth.

(noun)

Ablative, neuter, singular of vaktra

vaktra - mouth, face, snout

From vac (to speak)

Root: vac (class 2)

सावित्रीम् (sāvitrīm) - The Sāvitrī mantra.

(noun)

Accusative, feminine, singular of sāvitrī

sāvitrī - the Sāvitrī hymn, a Vedic mantra dedicated to Savitr

Feminine derivative of Savitr

Root: sū (class 2)

च (ca) - And, also.

(indeclinable)

तद्-अन्वयाम् (tad-anvayām) - Referring to the Sāvitrī mantra being connected to Om. (Connected with it, related to it.)

(adjective)

Accusative, feminine, singular of tad-anvaya

tad-anvaya - Having connection with that, related to that, following that.

Compound: tad (that) + anvaya (connection, lineage).

Compound type : tatpurusha (tad+anvaya)

• tad – that
  pronoun (neuter)
• anvaya – connection, relation, lineage
  noun (masculine)
  From anu (after) + i (to go)
  Prefix: anu
  Root: i (class 2)

Note: Modifies sāvitrīm.