महाभारतः mahābhārataḥ - book-3, chapter-274, verse-15

इत्युक्तो राघवस्तथ्यं वचोऽशङ्कत मातलेः ।
मायेयं राक्षसस्येति तमुवाच विभीषणः ॥१५॥

15. ityukto rāghavastathyaṁ vaco'śaṅkata mātaleḥ ,
māyeyaṁ rākṣasasyeti tamuvāca vibhīṣaṇaḥ.

15. iti uktaḥ rāghavaḥ tathyam vacaḥ aśaṅkata mātaleḥ
māyā iyam rākṣasasya iti tam uvāca vibhīṣaṇaḥ

15. Though spoken to thus, Rama, the descendant of Raghu, doubted Matali's true words, thinking, "This is the demon's (māyā) illusion." Then Vibhishana spoke to him.

Words meanings summery:

• इति (iti) - thus (thus, in this manner, so saying)

• उक्तः (uktaḥ) - (Rama) having been spoken to (spoken, said, addressed)

• राघवः (rāghavaḥ) - Rama (Rama (descendant of Raghu))

• तथ्यम् (tathyam) - true (words) (true, real, actual)

• वचः (vacaḥ) - words (word, speech)

• अशङ्कत (aśaṅkata) - he doubted (he doubted, he mistook)

• मातलेः (mātaleḥ) - of Matali (of Matali, from Matali)

• माया (māyā) - illusion (māyā) (illusion, magical power, deceit)

• इयम् (iyam) - this (illusion) (this (feminine))

• राक्षसस्य (rākṣasasya) - of the demon (Ravana) (of the demon, of the Rakshasa)

• इति (iti) - (thinking) "this is..." (thus, so (introducing or concluding a thought))

• तम् (tam) - to him (Rama) (him, that (masculine))

• उवाच (uvāca) - spoke (he said, spoke)

• विभीषणः (vibhīṣaṇaḥ) - Vibhishana

Words meanings and morphology

इति (iti) - thus (thus, in this manner, so saying)

(indeclinable)

Note: Marks end of quotation or description of an action.

उक्तः (uktaḥ) - (Rama) having been spoken to (spoken, said, addressed)

(adjective)

Nominative, masculine, singular of vac

vac - to speak, to say

Past Passive Participle

From √vac, irregular form

Root: vac (class 2)

Note: Agrees with 'rāghavaḥ'.

राघवः (rāghavaḥ) - Rama (Rama (descendant of Raghu))

(proper noun)

Nominative, masculine, singular of rāghava

rāghava - descendant of Raghu; Rama

Note: Subject of 'aśaṅkata'.

तथ्यम् (tathyam) - true (words) (true, real, actual)

(adjective)

Accusative, neuter, singular of tathya

tathya - true, real, actual

Note: Agrees with 'vacaḥ'.

वचः (vacaḥ) - words (word, speech)

(noun)

Accusative, neuter, singular of vacas

vacas - word, speech, saying

Root: vac (class 2)

Note: Object of 'aśaṅkata'.

अशङ्कत (aśaṅkata) - he doubted (he doubted, he mistook)

(verb)

3rd person , singular, active, past imperfect (Laṅ) of śaṅk

Root: śaṅk (class 1)

मातलेः (mātaleḥ) - of Matali (of Matali, from Matali)

(proper noun)

Genitive, masculine, singular of mātali

mātali - Matali (Indra's charioteer)

Note: Possessive of 'vacaḥ'.

माया (māyā) - illusion (māyā) (illusion, magical power, deceit)

(noun)

Nominative, feminine, singular of māyā

māyā - illusion, magical power, artifice, trick

Note: Predicate nominative for 'iyam'.

इयम् (iyam) - this (illusion) (this (feminine))

(pronoun)

Nominative, feminine, singular of idam

idam - this, this here

Note: Refers to 'māyā'.

राक्षसस्य (rākṣasasya) - of the demon (Ravana) (of the demon, of the Rakshasa)

(noun)

Genitive, masculine, singular of rākṣasa

rākṣasa - demon, Rakshasa

Note: Possessive of 'māyā'.

इति (iti) - (thinking) "this is..." (thus, so (introducing or concluding a thought))

(indeclinable)

Note: Marks the end of Rama's thought.

तम् (tam) - to him (Rama) (him, that (masculine))

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

Note: Object of 'uvāca'.

उवाच (uvāca) - spoke (he said, spoke)

(verb)

3rd person , singular, active, perfect (Lit) of vac

Root: vac (class 2)

विभीषणः (vibhīṣaṇaḥ) - Vibhishana

(proper noun)

Nominative, masculine, singular of vibhīṣaṇa

vibhīṣaṇa - Vibhishana (proper name)

Note: Subject of 'uvāca'.