महाभारतः mahābhārataḥ - book-3, chapter-275, verse-27

अग्निरुवाच ।
अहमन्तःशरीरस्थो भूतानां रघुनन्दन ।
सुसूक्ष्ममपि काकुत्स्थ मैथिली नापराध्यति ॥२७॥

27. agniruvāca ,
ahamantaḥśarīrastho bhūtānāṁ raghunandana ,
susūkṣmamapi kākutstha maithilī nāparādhyati.

27. aham antaḥśarīrasthaḥ bhūtānām raghunandana
susūkṣmam api kākutstha maithilī na aparādhyati

27. Agni spoke: "O Raghunandana (Rama), I (Agni) reside within the bodies of all beings. O Kakutstha (Rama), Maithili (Sita) has not committed even the slightest fault."

Words meanings summery:

• अहम् (aham) - I

• अन्तःशरीरस्थः (antaḥśarīrasthaḥ) - residing within the body, situated inside the body

• भूतानाम् (bhūtānām) - of beings, of creatures

• रघुनन्दन (raghunandana) - O Raghunandana (delighter of Raghu, epithet for Rama)

• सुसूक्ष्मम् (susūkṣmam) - even the slightest (fault/degree) (very subtle, extremely minute)

• अपि (api) - even, also, too

• काकुत्स्थ (kākutstha) - O Kakutstha (descendant of Kakutstha, an epithet for Rama)

• मैथिली (maithilī) - Maithili (daughter of Mithila, an epithet for Sita)

• न (na) - not, no

• अपराध्यति (aparādhyati) - commits a fault, sins, offends

Words meanings and morphology

अहम् (aham) - I

(pronoun)

Nominative, singular of aham

aham - I

अन्तःशरीरस्थः (antaḥśarīrasthaḥ) - residing within the body, situated inside the body

(adjective)

Nominative, masculine, singular of antaḥśarīrastha

antaḥśarīrastha - residing within the body, situated inside the body

Compound type : upapada-tatpurusha (antar+śarīra+stha)

• antar – inside, within, in the middle of
  indeclinable
• śarīra – body, corporeal frame
  noun (neuter)
• stha – standing, staying, situated, residing
  adjective
  Derived from root sthā (to stand)
  Root: sthā (class 1)

भूतानाम् (bhūtānām) - of beings, of creatures

(noun)

Genitive, neuter, plural of bhūta

bhūta - being, creature, element, ghost; past

Past Passive Participle

Derived from root bhū (to be, become)

Root: bhū (class 1)

रघुनन्दन (raghunandana) - O Raghunandana (delighter of Raghu, epithet for Rama)

(proper noun)

Vocative, masculine, singular of raghunandana

raghunandana - delighter of Raghu, son of Raghu; epithet of Rama

Compound type : genitive tatpurusha (raghu+nandana)

• raghu – name of an ancient king, ancestor of Rama
  proper noun (masculine)
• nandana – son, delighting, gladdening
  noun (masculine)
  Derived from root nand (to rejoice)
  Root: nand (class 1)

सुसूक्ष्मम् (susūkṣmam) - even the slightest (fault/degree) (very subtle, extremely minute)

(adjective)

Accusative, neuter, singular of susūkṣma

susūkṣma - very subtle, extremely minute, very fine

Compound type : karmadhāraya (su+sūkṣma)

• su – good, well, very, excellent (prefix)
  indeclinable
• sūkṣma – subtle, minute, fine, delicate
  adjective

Note: Used adverbially to mean 'even slightly'.

अपि (api) - even, also, too

(indeclinable)

काकुत्स्थ (kākutstha) - O Kakutstha (descendant of Kakutstha, an epithet for Rama)

(proper noun)

Vocative, masculine, singular of kākutstha

kākutstha - descendant of Kakutstha, name of Rama

मैथिली (maithilī) - Maithili (daughter of Mithila, an epithet for Sita)

(proper noun)

Nominative, feminine, singular of maithilī

maithilī - Maithili (princess of Mithila, i.e., Sita)

न (na) - not, no

(indeclinable)

अपराध्यति (aparādhyati) - commits a fault, sins, offends

(verb)

3rd person , singular, active, present (laṭ) of aparādh

Derived from root rādh (to succeed, accomplish) with prefix apa

Prefix: apa

Root: rādh (class 4)