महाभारतः mahābhārataḥ - book-12, chapter-138, verse-44

विश्वासयित्वा तु परं तत्त्वभूतेन हेतुना ।
अथास्य प्रहरेत्काले किंचिद्विचलिते पदे ॥४४॥

44. viśvāsayitvā tu paraṁ tattvabhūtena hetunā ,
athāsya praharetkāle kiṁcidvicalite pade.

44. viśvāsāyitvā tu paraṃ tattva-bhūtena hetunā
atha asya praharet kāle kiñcit vicalite pade

44. tu tattva-bhūtena hetunā paraṃ viśvāsāyitvā
atha asya pade kiñcit vicalite kāle praharet

44. Having gained another's trust, indeed, by a genuine reason, then one should strike him at the opportune moment when his foot has somewhat faltered.

Words meanings summery:

• विश्वासायित्वा (viśvāsāyitvā) - having caused to trust, having inspired confidence

• तु (tu) - indeed, but, however

• परं (paraṁ) - another, the other (person/thing)

• तत्त्व-भूतेन (tattva-bhūtena) - by a true reason, by a real cause

• हेतुना (hetunā) - by reason, by cause, by motive

• अथ (atha) - then, next, thereupon

• अस्य (asya) - his, of him

• प्रहरेत् (praharet) - one should strike, one should hit, one should attack

• काले (kāle) - at the time, at the opportune moment

• किञ्चित् (kiñcit) - a little, somewhat

• विचलिते (vicalite) - having faltered, having deviated, having slipped

• पदे (pade) - in the foot, in the step, in the position

Words meanings and morphology

विश्वासायित्वा (viśvāsāyitvā) - having caused to trust, having inspired confidence

(indeclinable)

absolutative/gerund (causative)

Causative of viśvas, then absolutive suffix -tvā

Prefix: vi

Root: śvas (class 2)

तु (tu) - indeed, but, however

(indeclinable)

परं (paraṁ) - another, the other (person/thing)

(pronoun)

Accusative, masculine, singular of para

para - other, another, supreme, highest

तत्त्व-भूतेन (tattva-bhūtena) - by a true reason, by a real cause

(adjective)

Instrumental, masculine, singular of tattva-bhūta

tattva-bhūta - actual, real, true, essential

Compound type : tatpuruṣa (tattva+bhūta)

• tattva – truth, reality, essence, principle
  noun (neuter)
• bhūta – become, actual, real, true
  adjective (masculine)
  Past Passive Participle
  From root bhū
  Root: bhū (class 1)

हेतुना (hetunā) - by reason, by cause, by motive

(noun)

Instrumental, masculine, singular of hetu

hetu - cause, reason, motive, instrument

Root: hi (class 5)

अथ (atha) - then, next, thereupon

(indeclinable)

अस्य (asya) - his, of him

(pronoun)

Genitive, masculine, singular of idam

idam - this, he, she, it

प्रहरेत् (praharet) - one should strike, one should hit, one should attack

(verb)

3rd person , singular, active, optative (vidhiliṅ) of prahṛ

Prefix: pra

Root: hṛ (class 1)

काले (kāle) - at the time, at the opportune moment

(noun)

Locative, masculine, singular of kāla

kāla - time, season, opportune moment

किञ्चित् (kiñcit) - a little, somewhat

(indeclinable)

विचलिते (vicalite) - having faltered, having deviated, having slipped

(adjective)

Locative, masculine, singular of vicalita

vicalita - faltered, deviated, moved, slipped, disturbed

Past Passive Participle

From root cal with prefix vi

Prefix: vi

Root: cal (class 1)

पदे (pade) - in the foot, in the step, in the position

(noun)

Locative, neuter, singular of pada

pada - foot, step, position, word, place