महाभारतः mahābhārataḥ - book-12, chapter-314, verse-31

ततः कदाचिच्छिष्यास्तं परिवार्यावतस्थिरे ।
वेदाध्ययनसंपन्नाः शान्तात्मानो जितेन्द्रियाः ॥३१॥

31. tataḥ kadācicchiṣyāstaṁ parivāryāvatasthire ,
vedādhyayanasaṁpannāḥ śāntātmāno jitendriyāḥ.

31. tataḥ kadācit śiṣyāḥ tam parivārya avatastire
vedādhyayanasampannāḥ śāntātmānaḥ jitendriyāḥ

31. ततः कदाचित् वेदाध्ययनसंपन्नाः शान्तात्मानः
जितेन्द्रियाः शिष्याः तम् परिवार्य अवतस्थिरे

31. Then, one day, his disciples—who were accomplished in the study of the Vedas, calm in their inner selves (ātman), and had mastered their senses—surrounded him and remained there.

Words meanings summery:

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

• कदाचित् (kadācit) - once, sometimes, one day

• शिष्याः (śiṣyāḥ) - disciples, students

• तम् (tam) - him

• परिवार्य (parivārya) - having surrounded, having encompassed

• अवतस्तिरे (avatastire) - they stood, they settled, they remained

• वेदाध्ययनसम्पन्नाः (vedādhyayanasampannāḥ) - accomplished in the study of the Vedas, proficient in Vedic knowledge

• शान्तात्मानः (śāntātmānaḥ) - calm-minded, serene in spirit

• जितेन्द्रियाः (jitendriyāḥ) - having controlled their senses, self-controlled

Words meanings and morphology

ततः (tataḥ) - then, thereafter, from that

(indeclinable)

कदाचित् (kadācit) - once, sometimes, one day

(indeclinable)

शिष्याः (śiṣyāḥ) - disciples, students

(noun)

Nominative, masculine, plural of śiṣya

śiṣya - disciple, student

तम् (tam) - him

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, him

परिवार्य (parivārya) - having surrounded, having encompassed

(indeclinable participle)

अवतस्तिरे (avatastire) - they stood, they settled, they remained

(verb)

3rd person , plural, middle, Perfect (Lit) of sthā

Prefix: ava

Root: sthā (class 1)

वेदाध्ययनसम्पन्नाः (vedādhyayanasampannāḥ) - accomplished in the study of the Vedas, proficient in Vedic knowledge

(adjective)

Nominative, masculine, plural of vedādhyayanasampanna

vedādhyayanasampanna - accomplished in Vedic study

Compound type : tatpuruṣa + bahuvrīhi (veda+adhyayana+sampanna)

• veda – knowledge, Veda (sacred texts)
  noun (masculine)
• adhyayana – study, learning
  noun (neuter)
• sampanna – accomplished, endowed with, complete
  adjective
  Past Passive Participle
  from root pad with prefix sam
  Prefix: sam
  Root: pad (class 4)

शान्तात्मानः (śāntātmānaḥ) - calm-minded, serene in spirit

(adjective)

Nominative, masculine, plural of śāntātman

śāntātman - calm-minded, serene in spirit; having a tranquil inner self (ātman)

Compound type : bahuvrīhi (śānta+ātman)

• śānta – peaceful, tranquil, calm
  adjective
  Past Passive Participle
  from root śam
  Root: śam (class 4)
• ātman – self, soul, spirit, essence
  noun (masculine)

जितेन्द्रियाः (jitendriyāḥ) - having controlled their senses, self-controlled

(adjective)

Nominative, masculine, plural of jitendriya

jitendriya - one who has controlled his senses

Compound type : bahuvrīhi (jita+indriya)

• jita – conquered, subdued, won
  adjective
  Past Passive Participle
  from root ji
  Root: ji (class 1)
• indriya – sense organ, faculty
  noun (neuter)