महाभारतः mahābhārataḥ - book-1, chapter-187, verse-6

कामया ब्रूहि सत्यं त्वं सत्यं राजसु शोभते ।
इष्टापूर्तेन च तथा वक्तव्यमनृतं न तु ॥६॥

6. kāmayā brūhi satyaṁ tvaṁ satyaṁ rājasu śobhate ,
iṣṭāpūrtena ca tathā vaktavyamanṛtaṁ na tu.

6. kāmayā brūhi satyam tvam satyam rājasu śobhate
iṣṭāpūrtena ca tathā vaktavyam anṛtam na tu

6. You should speak the truth for your desire, for truth shines among kings. And similarly, by your sacrifices and charitable works (iṣṭāpūrta), truth should be spoken, not falsehood.

Words meanings summery:

• कामया (kāmayā) - for your desire (i.e., willingly or by your wish) (by desire, from desire, for the sake of desire)

• ब्रूहि (brūhi) - speak (speak, tell)

• सत्यम् (satyam) - the truth (truth, true)

• त्वम् (tvam) - you

• सत्यम् (satyam) - truth (truth, true)

• राजसु (rājasu) - among kings (among kings, in kings)

• शोभते (śobhate) - shines, becomes prominent (shines, looks beautiful, becomes)

• इष्टापूर्तेन (iṣṭāpūrtena) - by means of sacrifices and charitable works (iṣṭāpūrta) (by sacrifices and charitable works (iṣṭāpūrta))

• च (ca) - and (and, also)

• तथा (tathā) - similarly (thus, so, similarly)

• वक्तव्यम् (vaktavyam) - should be spoken (to be spoken, speakable, what should be said)

• अनृतम् (anṛtam) - falsehood (falsehood, untruth)

• न (na) - not (not, no)

• तु (tu) - but, on the other hand (but, on the other hand, indeed)

Words meanings and morphology

कामया (kāmayā) - for your desire (i.e., willingly or by your wish) (by desire, from desire, for the sake of desire)

(noun)

Instrumental, feminine, singular of kāma

kāma - desire, wish, love

Root: kam (class 1)

Note: From feminine form kāmi, which means 'wish, desire'. Or perhaps from kāma, meaning 'from (your own) desire'.

ब्रूहि (brūhi) - speak (speak, tell)

(verb)

2nd person , singular, active, imperative (loṭ) of brū

Root: brū (class 2)

सत्यम् (satyam) - the truth (truth, true)

(noun)

Accusative, neuter, singular of satya

satya - truth, true, real

त्वम् (tvam) - you

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you

सत्यम् (satyam) - truth (truth, true)

(noun)

Nominative, neuter, singular of satya

satya - truth, true, real

राजसु (rājasu) - among kings (among kings, in kings)

(noun)

Locative, masculine, plural of rājan

rājan - king, ruler

शोभते (śobhate) - shines, becomes prominent (shines, looks beautiful, becomes)

(verb)

3rd person , singular, middle, present (laṭ) of śubh

Root: śubh (class 1)

इष्टापूर्तेन (iṣṭāpūrtena) - by means of sacrifices and charitable works (iṣṭāpūrta) (by sacrifices and charitable works (iṣṭāpūrta))

(noun)

Instrumental, neuter, singular of iṣṭāpūrta

iṣṭāpūrta - sacrifices and charitable works (like building wells, tanks, temples)

Dvanda compound of iṣṭa (sacrifice) and pūrta (charitable work)

Compound type : dvandva (iṣṭa+pūrta)

• iṣṭa – sacrificed, worshipped, desired, a sacrifice
  noun (neuter)
  Past Passive Participle
  from yaj (to sacrifice, worship)
  Root: yaj (class 1)
• pūrta – filled, completed, (charitable) act, pious deed
  noun (neuter)
  Past Passive Participle
  from pṛ (to fill)
  Root: pṛ (class 3)

च (ca) - and (and, also)

(indeclinable)

तथा (tathā) - similarly (thus, so, similarly)

(indeclinable)

वक्तव्यम् (vaktavyam) - should be spoken (to be spoken, speakable, what should be said)

(adjective)

Nominative, neuter, singular of vaktavya

vaktavya - to be spoken, speakable, what should be said

Gerundive (karmaṇi kṛtya)

from vac (to speak)

Root: vac (class 2)

Note: Used impersonally here.

अनृतम् (anṛtam) - falsehood (falsehood, untruth)

(noun)

Nominative, neuter, singular of anṛta

anṛta - untruth, falsehood, false

negative compound with a-prefix and ṛta (truth)

Compound type : nañ-tatpuruṣa (a+ṛta)

• a – not, un-
  indeclinable
• ṛta – truth, cosmic order, right
  noun (neuter)

न (na) - not (not, no)

(indeclinable)

तु (tu) - but, on the other hand (but, on the other hand, indeed)

(indeclinable)