महाभारतः mahābhārataḥ - book-3, chapter-204, verse-19

उपहारानाहरन्तो देवतानां यथा द्विजाः ।
कुर्वते तद्वदेताभ्यां करोम्यहमतन्द्रितः ॥१९॥

19. upahārānāharanto devatānāṁ yathā dvijāḥ ,
kurvate tadvadetābhyāṁ karomyahamatandritaḥ.

19. upahārān āharantaḥ devatānām yathā dvijāḥ
kurvate tadvat etābhyām karomi aham atandritaḥ

19. Just as the twice-born (dvijāḥ) bring offerings and perform rituals for the deities, so do I diligently act for these two (my parents).

Words meanings summery:

• उपहारान् (upahārān) - offerings, presents

• आहरन्तः (āharantaḥ) - bringing, fetching

• देवतानाम् (devatānām) - of the deities, of the gods

• यथा (yathā) - just as, as

• द्विजाः (dvijāḥ) - the twice-born, brahmins

• कुर्वते (kurvate) - they do, they perform

• तद्वत् (tadvat) - in that manner, similarly

• एताभ्याम् (etābhyām) - likely referring to parents (to/for these two)

• करोमि (karomi) - I do, I perform

• अहम् (aham) - I

• अतन्द्रितः (atandritaḥ) - diligent, unwearied, zealous

Words meanings and morphology

उपहारान् (upahārān) - offerings, presents

(noun)

Accusative, masculine, plural of upahāra

upahāra - offering, present, gift

Prefix: upa

Root: hṛ (class 1)

आहरन्तः (āharantaḥ) - bringing, fetching

(adjective)

Nominative, masculine, plural of āharat

āharat - bringing, carrying

Present Active Participle

Derived from root hṛ (to carry) with prefix ā (towards)

Prefix: ā

Root: hṛ (class 1)

देवतानाम् (devatānām) - of the deities, of the gods

(noun)

Genitive, feminine, plural of devatā

devatā - deity, god, divinity

यथा (yathā) - just as, as

(indeclinable)

द्विजाः (dvijāḥ) - the twice-born, brahmins

(noun)

Nominative, masculine, plural of dvija

dvija - twice-born (a brahmin, a bird, a tooth)

Compound type : karmadhāraya (dvi+ja)

• dvi – two
  numeral
• ja – born, produced
  adjective
  kṛt affix
  from root jan
  Root: jan (class 4)

कुर्वते (kurvate) - they do, they perform

(verb)

3rd person , plural, middle, present (laṭ) of kṛ

Root: kṛ (class 8)

Note: Atmanepada form

तद्वत् (tadvat) - in that manner, similarly

(indeclinable)

एताभ्याम् (etābhyām) - likely referring to parents (to/for these two)

(pronoun)

Dative, masculine, dual of etat

etat - this, these

Note: Could also be instrumental or ablative dual. Dative fits 'for these two'.

करोमि (karomi) - I do, I perform

(verb)

1st person , singular, active, present (laṭ) of kṛ

Root: kṛ (class 8)

Note: Parasmaipada form

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I, we

अतन्द्रितः (atandritaḥ) - diligent, unwearied, zealous

(adjective)

Nominative, masculine, singular of atandrita

atandrita - diligent, unwearied, not slothful

Compound type : nañ-tatpuruṣa (a+tandrita)

• a – not, un-
  indeclinable
• tandrita – lazy, slothful, tired
  adjective (masculine)
  Past Passive Participle
  Derived from root 'tandr' (to be lazy)
  Root: tandr

Note: It qualifies 'aham' (I).