महाभारतः mahābhārataḥ - book-1, chapter-81, verse-15

ततश्च वायुभक्षोऽभूत्संवत्सरमतन्द्रितः ।
पञ्चाग्निमध्ये च तपस्तेपे संवत्सरं नृपः ॥१५॥

15. tataśca vāyubhakṣo'bhūtsaṁvatsaramatandritaḥ ,
pañcāgnimadhye ca tapastepe saṁvatsaraṁ nṛpaḥ.

15. tataḥ ca vāyubhakṣaḥ abhūt saṃvatsaram atandritaḥ
pañcāgnimadhye ca tapaḥ tepe saṃvatsaram nṛpaḥ

15. Thereafter, without weariness, he subsisted on air for a year. The king also performed severe tapas, sitting amidst five fires, for another year.

Words meanings summery:

• ततः (tataḥ) - then, thereafter, from there

• च (ca) - and, also

• वायुभक्षः (vāyubhakṣaḥ) - subsisting on air

• अभूत् (abhūt) - he was, he became

• संवत्सरम् (saṁvatsaram) - for a year

• अतन्द्रितः (atandritaḥ) - tireless, vigilant, unwearied

• पञ्चाग्निमध्ये (pañcāgnimadhye) - referring to the Pañcāgni Tapas, a severe form of austerity (in the midst of five fires)

• च (ca) - and, also

• तपः (tapaḥ) - penance, austerity

• तेपे (tepe) - he practiced, he performed (penance)

• संवत्सरम् (saṁvatsaram) - for a year

• नृपः (nṛpaḥ) - the king

Words meanings and morphology

ततः (tataḥ) - then, thereafter, from there

(indeclinable)

च (ca) - and, also

(indeclinable)

वायुभक्षः (vāyubhakṣaḥ) - subsisting on air

(adjective)

Nominative, masculine, singular of vāyubhakṣa

vāyubhakṣa - subsisting on air

Compound type : Bahuvrīhi (vāyu+bhakṣa)

• vāyu – air, wind, vital breath
  noun (masculine)
• bhakṣa – eating, food
  noun (masculine)
  Root: bhakṣ (class 10)

अभूत् (abhūt) - he was, he became

(verb)

3rd person , singular, active, aorist (Luṅ) of bhū

Root: bhū (class 1)

संवत्सरम् (saṁvatsaram) - for a year

(noun)

Accusative, neuter, singular of saṃvatsara

saṁvatsara - year

Note: Indicates duration

अतन्द्रितः (atandritaḥ) - tireless, vigilant, unwearied

(adjective)

Nominative, masculine, singular of atandrita

atandrita - unwearied, vigilant, active, alert

Compound type : nañ-tatpurusha (a+tandrita)

• a – not, non-
  indeclinable
• tandrita – wearied, sluggish, weary
  adjective (masculine)
  Past Passive Participle
  from √tandr (to be weary)
  Root: tandr (class 1)

पञ्चाग्निमध्ये (pañcāgnimadhye) - referring to the Pañcāgni Tapas, a severe form of austerity (in the midst of five fires)

(noun)

Locative, neuter, singular of pañcāgnimadhya

pañcāgnimadhya - the midst of five fires (a specific form of austerity)

Compound type : Tatpurusha (pañcāgni+madhya)

• pañcāgni – five fires
  noun (masculine)
• madhya – middle, midst
  noun (neuter)

च (ca) - and, also

(indeclinable)

तपः (tapaḥ) - penance, austerity

(noun)

Accusative, neuter, singular of tapas

tapas - penance, austerity, heat

तेपे (tepe) - he practiced, he performed (penance)

(verb)

3rd person , singular, middle, perfect (Lit) of tap

Root: tap (class 1)

संवत्सरम् (saṁvatsaram) - for a year

(noun)

Accusative, neuter, singular of saṃvatsara

saṁvatsara - year

Note: Indicates duration

नृपः (nṛpaḥ) - the king

(noun)

Nominative, masculine, singular of nṛpa

nṛpa - king, protector of men