महाभारतः mahābhārataḥ - book-1, chapter-122, verse-41

प्रतिगृह्य च तान्सर्वान्द्रोणो वचनमब्रवीत् ।
रहस्येकः प्रतीतात्मा कृतोपसदनांस्तदा ॥४१॥

41. pratigṛhya ca tānsarvāndroṇo vacanamabravīt ,
rahasyekaḥ pratītātmā kṛtopasadanāṁstadā.

41. pratigṛhya ca tān sarvān droṇaḥ vacanam abravīt
rahasi ekaḥ pratītātmā kṛtopasadanān tadā

41. And having received all of them, Drona, with a confident mind (ātman), then spoke a word in private to those who had approached him for instruction.

Words meanings summery:

• प्रतिगृह्य (pratigṛhya) - having received, having accepted

• च (ca) - and, also

• तान् (tān) - them, those

• सर्वान् (sarvān) - all, every

• द्रोणः (droṇaḥ) - Drona

• वचनम् (vacanam) - word, speech, statement

• अब्रवीत् (abravīt) - spoke, said

• रहसि (rahasi) - in secret, privately, in solitude

• एकः (ekaḥ) - alone, one, single

• प्रतीतात्मा (pratītātmā) - confident in mind (ātman), self-assured, famous

• कृतोपसदनान् (kṛtopasadanān) - referring to the disciples who had formally approached Drona (those who had made obeisance or approached for instruction)

• तदा (tadā) - then, at that time

Words meanings and morphology

प्रतिगृह्य (pratigṛhya) - having received, having accepted

(indeclinable)

absolutive/gerund

indeclinable past participle formed with prefix prati- and root grah

Prefix: prati

Root: grah (class 9)

च (ca) - and, also

(indeclinable)

तान् (tān) - them, those

(pronoun)

Accusative, masculine, plural of tad

tad - that, he, she, it

सर्वान् (sarvān) - all, every

(adjective)

Accusative, masculine, plural of sarva

sarva - all, every, entire

द्रोणः (droṇaḥ) - Drona

(proper noun)

Nominative, masculine, singular of droṇa

droṇa - Drona (name of a warrior and teacher), bucket, measure

वचनम् (vacanam) - word, speech, statement

(noun)

Accusative, neuter, singular of vacana

vacana - word, speech, saying, statement

अब्रवीत् (abravīt) - spoke, said

(verb)

3rd person , singular, active, imperfect (laṅ) of brū

Root: brū (class 2)

रहसि (rahasi) - in secret, privately, in solitude

(noun)

Locative, neuter, singular of rahas

rahas - secret, privacy, solitude

एकः (ekaḥ) - alone, one, single

(pronoun)

Nominative, masculine, singular of eka

eka - one, single, alone, unique

प्रतीतात्मा (pratītātmā) - confident in mind (ātman), self-assured, famous

(noun)

Nominative, masculine, singular of pratītātman

pratītātman - one whose mind (ātman) is known/confident, self-assured

Compound type : bahuvrīhi (pratīta+ātman)

• pratīta – known, confident, recognized, understood
  adjective
  Past Passive Participle
  from prati-i (to go towards, understand)
  Prefix: prati
  Root: i (class 2)
• ātman – self, soul, spirit, individual consciousness
  noun (masculine)

कृतोपसदनान् (kṛtopasadanān) - referring to the disciples who had formally approached Drona (those who had made obeisance or approached for instruction)

(noun)

Accusative, masculine, plural of kṛtopasadana

kṛtopasadana - one to whom an approach (upasadanā) has been made, one who has made an approach

Compound type : bahuvrīhi (kṛta+upasadana)

• kṛta – done, made, performed
  adjective
  Past Passive Participle
  from root kṛ (to do, make)
  Root: kṛ (class 8)
• upasadana – approach, waiting upon, attendance, homage, formal reception for instruction
  noun (neuter)
  from upa-sad (to sit near)
  Prefix: upa
  Root: sad (class 1)

तदा (tadā) - then, at that time

(indeclinable)