महाभारतः mahābhārataḥ - book-1, chapter-125, verse-26

ततः समाप्तभूयिष्ठे तस्मिन्कर्मणि भारत ।
मन्दीभूते समाजे च वादित्रस्य च निस्वने ॥२६॥

26. tataḥ samāptabhūyiṣṭhe tasminkarmaṇi bhārata ,
mandībhūte samāje ca vāditrasya ca nisvane.

26. tataḥ samāptabhūyiṣṭhe tasmin karmaṇi bhārata
mandībhūte samāje ca vāditrasya ca nisvane

26. Then, O Bhārata, when that ritual (karma) was almost concluded, and the assembly had quieted down, along with the diminishing sound of the musical instruments...

Words meanings summery:

• ततः (tataḥ) - then, thereupon, from that

• समाप्तभूयिष्ठे (samāptabhūyiṣṭhe) - mostly completed, nearly finished

• तस्मिन् (tasmin) - in that, on that

• कर्मणि (karmaṇi) - in the action, in the ritual, in the deed

• भारत (bhārata) - O descendant of Bharata

• मन्दीभूते (mandībhūte) - having become quiet, having become slow, having quieted down

• समाजे (samāje) - in the assembly, in the gathering

• च (ca) - and

• वादित्रस्य (vāditrasya) - of the musical instrument

• च (ca) - and

• निस्वने (nisvane) - in the sound, in the noise

Words meanings and morphology

ततः (tataḥ) - then, thereupon, from that

(indeclinable)

समाप्तभूयिष्ठे (samāptabhūyiṣṭhe) - mostly completed, nearly finished

(adjective)

Locative, neuter, singular of samāptabhūyiṣṭha

samāptabhūyiṣṭha - mostly completed, nearly finished

Compound type : karmadhāraya (samāpta+bhūyiṣṭha)

• samāpta – completed, finished
  adjective (neuter)
  Past Passive Participle
  from sam-āp + kta
  Prefix: sam
  Root: āp (class 5)
• bhūyiṣṭha – mostly, in the greatest degree, most abundant
  adjective (neuter)
  superlative suffix -iṣṭha

तस्मिन् (tasmin) - in that, on that

(pronoun)

Locative, neuter, singular of tad

tad - that, this

कर्मणि (karmaṇi) - in the action, in the ritual, in the deed

(noun)

Locative, neuter, singular of karma

karma - action, deed, ritual, fate

Root: kṛ (class 8)

भारत (bhārata) - O descendant of Bharata

(proper noun)

Vocative, masculine, singular of bhārata

bhārata - descendant of Bharata, an Indian, a name of Arjuna or Yudhiṣṭhira

मन्दीभूते (mandībhūte) - having become quiet, having become slow, having quieted down

(adjective)

Locative, masculine, singular of mandībhūta

mandībhūta - become slow, quieted down, diminished

Past Passive Participle

from mandī-bhū + kta

Root: bhū (class 1)

समाजे (samāje) - in the assembly, in the gathering

(noun)

Locative, masculine, singular of samāja

samāja - assembly, gathering, society

च (ca) - and

(indeclinable)

वादित्रस्य (vāditrasya) - of the musical instrument

(noun)

Genitive, neuter, singular of vāditra

vāditra - musical instrument

Root: vad (class 1)

च (ca) - and

(indeclinable)

निस्वने (nisvane) - in the sound, in the noise

(noun)

Locative, masculine, singular of nisvana

nisvana - sound, noise, roar

Root: svan (class 1)