महाभारतः mahābhārataḥ - book-3, chapter-3, verse-21

वैद्युतो जाठरश्चाग्निरैन्धनस्तेजसां पतिः ।
धर्मध्वजो वेदकर्ता वेदाङ्गो वेदवाहनः ॥२१॥

21. vaidyuto jāṭharaścāgniraindhanastejasāṁ patiḥ ,
dharmadhvajo vedakartā vedāṅgo vedavāhanaḥ.

21. vaidyutaḥ jāṭharaḥ ca agniḥ aindhanaḥ tejasām
patiḥ dharmadhvajaḥ vedakartā vedāṅgaḥ vedavāhanaḥ

21. The lightning fire, the digestive fire, and the sacrificial fire are the lord of all energies. Also, the one with the banner of natural law (dharma), the creator of the Vedas, the limb of the Vedas, and the bearer of the Vedas.

Words meanings summery:

• वैद्युतः (vaidyutaḥ) - lightning fire (electrical, relating to lightning; lightning fire)

• जाठरः (jāṭharaḥ) - digestive fire (gastric, pertaining to the belly; digestive fire)

• च (ca) - and

• अग्निः (agniḥ) - the god Agni, embodying various forms of fire (lightning, digestive, sacrificial) (fire, Agni (the fire god))

• ऐन्धनः (aindhanaḥ) - the sacrificial fire (often requiring fuel) (made of fuel, produced from fuel; an epithet for sacrificial fire)

• तेजसाम् (tejasām) - of all energies/fires (of brilliant things, of energies, of fires)

• पतिः (patiḥ) - lord (of energies) (lord, master, protector)

• धर्मध्वजः (dharmadhvajaḥ) - the one with the banner of natural law (dharma) (one whose banner is dharma, banner of dharma)

• वेदकर्ता (vedakartā) - creator of the Vedas

• वेदाङ्गः (vedāṅgaḥ) - one who is a limb/part of the Vedas, or whose limbs are the Vedas (a limb or auxiliary science of the Vedas; one whose limbs are the Vedas)

• वेदवाहनः (vedavāhanaḥ) - the bearer of the Vedas (an epithet for a deity) (bearer of the Vedas, vehicle of the Vedas)

Words meanings and morphology

वैद्युतः (vaidyutaḥ) - lightning fire (electrical, relating to lightning; lightning fire)

(adjective)

Nominative, masculine, singular of vaidyuta

vaidyuta - electrical, relating to lightning, lightning fire

Derived from 'vidyut' (lightning)

Note: Qualifies `agniḥ`.

जाठरः (jāṭharaḥ) - digestive fire (gastric, pertaining to the belly; digestive fire)

(adjective)

Nominative, masculine, singular of jāṭhara

jāṭhara - gastric, belly-born, digestive fire

Derived from 'jaṭhara' (belly)

Note: Qualifies `agniḥ`.

च (ca) - and

(indeclinable)

अग्निः (agniḥ) - the god Agni, embodying various forms of fire (lightning, digestive, sacrificial) (fire, Agni (the fire god))

(proper noun)

Nominative, masculine, singular of agni

agni - fire, the fire god

ऐन्धनः (aindhanaḥ) - the sacrificial fire (often requiring fuel) (made of fuel, produced from fuel; an epithet for sacrificial fire)

(adjective)

Nominative, masculine, singular of aindhana

aindhana - relating to fuel, sacrificial fire; fuel

Derived from 'idhma' (fuel)

Note: Refers to a type of fire, specifically the sacrificial fire which is fueled.

तेजसाम् (tejasām) - of all energies/fires (of brilliant things, of energies, of fires)

(noun)

Genitive, neuter, plural of tejas

tejas - brilliance, light, fire, energy, spiritual energy

पतिः (patiḥ) - lord (of energies) (lord, master, protector)

(noun)

Nominative, masculine, singular of pati

pati - lord, master, husband, protector

Note: Forms a compound with `tejasām`.

धर्मध्वजः (dharmadhvajaḥ) - the one with the banner of natural law (dharma) (one whose banner is dharma, banner of dharma)

(noun)

Nominative, masculine, singular of dharmadhvaja

dharmadhvaja - one whose banner is dharma; banner of dharma

Compound type : bahuvrihi (dharma+dhvaja)

• dharma – natural law, constitution, intrinsic nature, duty, righteousness
  noun (masculine)
• dhvaja – banner, flag, mark
  noun (masculine)

वेदकर्ता (vedakartā) - creator of the Vedas

(noun)

Nominative, masculine, singular of vedakartṛ

vedakartṛ - creator of the Vedas

Compound type : tatpurusha (veda+kartṛ)

• veda – knowledge, sacred knowledge, the Vedas
  noun (masculine)
  Root: vid (class 2)
• kartṛ – doer, maker, creator
  noun (masculine)
  Agent noun from root 'kṛ'
  Agent noun from root 'kṛ' (to do, to make)
  Root: kṛ (class 8)

Note: The form `kartā` is nominative singular of `kartṛ`.

वेदाङ्गः (vedāṅgaḥ) - one who is a limb/part of the Vedas, or whose limbs are the Vedas (a limb or auxiliary science of the Vedas; one whose limbs are the Vedas)

(noun)

Nominative, masculine, singular of vedāṅga

vedāṅga - a limb or auxiliary science of the Vedas; one whose limbs are the Vedas

Compound type : bahuvrihi (veda+aṅga)

• veda – knowledge, sacred knowledge, the Vedas
  noun (masculine)
  Root: vid (class 2)
• aṅga – limb, part, division, body
  noun (neuter)

Note: Given the context of describing deities, a Bahuvrihi interpretation (one whose limbs are the Vedas) is more suitable.

वेदवाहनः (vedavāhanaḥ) - the bearer of the Vedas (an epithet for a deity) (bearer of the Vedas, vehicle of the Vedas)

(noun)

Nominative, masculine, singular of vedavāhana

vedavāhana - bearer of the Vedas, vehicle of the Vedas

Compound type : tatpurusha (veda+vāhana)

• veda – knowledge, sacred knowledge, the Vedas
  noun (masculine)
  Root: vid (class 2)
• vāhana – vehicle, bearer, carrying
  noun (neuter)
  Agent noun from root 'vah'
  Derived from root 'vah' (to carry, to bear)
  Root: vah (class 1)