महाभारतः mahābhārataḥ - book-14, chapter-91, verse-15

ततोऽन्तरिक्षे वागासीत्साधु साध्विति भारत ।
तथैव द्विजसंघानां शंसतां विबभौ स्वनः ॥१५॥

15. tato'ntarikṣe vāgāsītsādhu sādhviti bhārata ,
tathaiva dvijasaṁghānāṁ śaṁsatāṁ vibabhau svanaḥ.

15. tataḥ antarikṣe vāk āsīt sādhu sādhu iti bhārata
tathā eva dvijasaṅghānām śaṃsatām vibabhau svanaḥ

15. bhārata tataḥ antarikṣe vāk sādhu sādhu iti āsīt
tathā eva śaṃsatām dvijasaṅghānām svanaḥ vibabhau

15. Then, O Bhārata, a voice in the sky declared, 'Excellent! Excellent!' Similarly, the sound of the assembled twice-born (dvija) praising resounded.

Words meanings summery:

• ततः (tataḥ) - then (then, thereafter, thence)

• अन्तरिक्षे (antarikṣe) - in the sky (in the sky, in space, in the atmosphere)

• वाक् (vāk) - a voice (voice, speech, word)

• आसीत् (āsīt) - arose (was, existed, arose)

• साधु (sādhu) - Excellent! (good, excellent, proper, virtuous)

• साधु (sādhu) - Excellent! (good, excellent, proper, virtuous)

• इति (iti) - thus, indicating direct speech (thus, so, in this manner, marking direct speech)

• भारत (bhārata) - O Bhārata (referring to Dhṛtarāṣṭra) (O descendant of Bharata)

• तथा (tathā) - similarly (similarly, in that way, just so)

• एव (eva) - emphasizing 'similarly' (only, indeed, truly, just, exactly)

• द्विजसङ्घानाम् (dvijasaṅghānām) - of the assembled twice-born (dvija) (of the assemblies of twice-born)

• शंसताम् (śaṁsatām) - of (those) praising (of those praising, of the praising ones)

• विबभौ (vibabhau) - resounded (shone forth, resounded, appeared splendid)

• स्वनः (svanaḥ) - the sound (sound, noise, clamor, roar)

Words meanings and morphology

ततः (tataḥ) - then (then, thereafter, thence)

(indeclinable)

अन्तरिक्षे (antarikṣe) - in the sky (in the sky, in space, in the atmosphere)

(noun)

Locative, neuter, singular of antarikṣa

antarikṣa - sky, atmosphere, space

वाक् (vāk) - a voice (voice, speech, word)

(noun)

Nominative, feminine, singular of vāc

vāc - voice, speech, word, sound

आसीत् (āsīt) - arose (was, existed, arose)

(verb)

3rd person , singular, active, past imperfect (laṅ) of as

Imperfect third singular active

Root: as (class 2)

साधु (sādhu) - Excellent! (good, excellent, proper, virtuous)

(adjective)

of sādhu

sādhu - good, excellent, proper, virtuous, holy man

Note: Used as an exclamation 'excellent!'

साधु (sādhu) - Excellent! (good, excellent, proper, virtuous)

(adjective)

of sādhu

sādhu - good, excellent, proper, virtuous, holy man

Note: Used as an exclamation 'excellent!'

इति (iti) - thus, indicating direct speech (thus, so, in this manner, marking direct speech)

(indeclinable)

भारत (bhārata) - O Bhārata (referring to Dhṛtarāṣṭra) (O descendant of Bharata)

(proper noun)

Vocative, masculine, singular of bhārata

bhārata - descendant of Bharata, relating to Bharata, a native of India

तथा (tathā) - similarly (similarly, in that way, just so)

(indeclinable)

एव (eva) - emphasizing 'similarly' (only, indeed, truly, just, exactly)

(indeclinable)

द्विजसङ्घानाम् (dvijasaṅghānām) - of the assembled twice-born (dvija) (of the assemblies of twice-born)

(noun)

Genitive, masculine, plural of dvijasaṅgha

dvijasaṅgha - assembly of twice-born

Compound type : tatpuruṣa (dvija+saṅgha)

• dvija – twice-born (Brahmin, Kṣatriya, Vaiśya), bird, tooth
  noun (masculine)
  Derived from 'jan' with 'dvi'
  Root: jan (class 4)
• saṅgha – assembly, multitude, crowd, community
  noun (masculine)
  Prefix: sam
  Root: han (class 2)

शंसताम् (śaṁsatām) - of (those) praising (of those praising, of the praising ones)

(adjective)

Genitive, masculine, plural of śaṃsat

śaṁsat - praising, eulogizing

Present Active Participle

Derived from verb root 'śaṃs'

Root: śaṃs (class 1)

Note: Present active participle, modifying dvijasaṅghānām

विबभौ (vibabhau) - resounded (shone forth, resounded, appeared splendid)

(verb)

3rd person , singular, active, past perfect (lit) of vibhā

Perfect third singular active

Prefix: vi

Root: bhā (class 2)

स्वनः (svanaḥ) - the sound (sound, noise, clamor, roar)

(noun)

Nominative, masculine, singular of svana

svana - sound, noise, clamor

Root: svan (class 1)