महाभारतः mahābhārataḥ - book-12, chapter-104, verse-46

तूष्णींभावेऽपि हि ज्ञानं न चेद्भवति कारणम् ।
विश्वासमोष्ठसंदंशं शिरसश्च प्रकम्पनम् ॥४६॥

46. tūṣṇīṁbhāve'pi hi jñānaṁ na cedbhavati kāraṇam ,
viśvāsamoṣṭhasaṁdaṁśaṁ śirasaśca prakampanam.

46. tūṣṇīm bhāve api hi jñānam na cet bhavati kāraṇam
viśvāsam oṣṭhasaṃdaṃśam śirasas ca prakampanam

46. hi tūṣṇīmbhāve api jñānam kāraṇam na cet bhavati
viśvāsam oṣṭhasaṃdaṃśam śirasas ca prakampanam

46. If his silence is not indeed due to knowledge, then [he displays] doubt, the biting of lips, and the shaking of the head.

Words meanings summery:

• तूष्णीम् (tūṣṇīm) - silently, quietly

• भावे (bhāve) - in the state, in the condition, in the existence

• अपि (api) - even, also, too

• हि (hi) - indeed, surely, for

• ज्ञानम् (jñānam) - knowledge, understanding

• न (na) - not, no

• चेत् (cet) - if

• भवति (bhavati) - is, becomes, happens

• कारणम् (kāraṇam) - cause, reason

• विश्वासम् (viśvāsam) - a sign of disbelief or suspicion, indicating a characteristic of the fault-finder (doubt, disbelief, suspicion)

• ओष्ठसंदंशम् (oṣṭhasaṁdaṁśam) - lip-biting (sign of anger, contempt, or disapproval)

• शिरसस् (śirasas) - of the head

• च (ca) - and

• प्रकम्पनम् (prakampanam) - shaking, trembling

Words meanings and morphology

तूष्णीम् (tūṣṇīm) - silently, quietly

(indeclinable)

भावे (bhāve) - in the state, in the condition, in the existence

(noun)

Locative, masculine, singular of bhāva

bhāva - state, condition, existence, nature, emotion, sentiment

अपि (api) - even, also, too

(indeclinable)

हि (hi) - indeed, surely, for

(indeclinable)

ज्ञानम् (jñānam) - knowledge, understanding

(noun)

Nominative, neuter, singular of jñāna

jñāna - knowledge, understanding, spiritual insight

न (na) - not, no

(indeclinable)

चेत् (cet) - if

(indeclinable)

भवति (bhavati) - is, becomes, happens

(verb)

3rd person , singular, active, present (laṭ) of bhū

Root: bhū (class 1)

कारणम् (kāraṇam) - cause, reason

(noun)

Nominative, neuter, singular of kāraṇa

kāraṇa - cause, reason, instrument, motive

विश्वासम् (viśvāsam) - a sign of disbelief or suspicion, indicating a characteristic of the fault-finder (doubt, disbelief, suspicion)

(noun)

Accusative, neuter, singular of viśvāsa

viśvāsa - trust, confidence, reliance; (contextually implies lack of trust/disbelief when paired with disapproving actions)

ओष्ठसंदंशम् (oṣṭhasaṁdaṁśam) - lip-biting (sign of anger, contempt, or disapproval)

(noun)

Accusative, neuter, singular of oṣṭhasaṃdaṃśa

oṣṭhasaṁdaṁśa - biting of the lips (as a sign of anger, contempt, or embarrassment)

Compound type : ṣaṣṭhī-tatpuruṣa (oṣṭha+saṃdaṃśa)

• oṣṭha – lip
  noun (masculine)
• saṃdaṃśa – biting, gnawing
  noun (masculine)
  verbal noun
  From root saṃ-daṃś
  Prefix: sam

शिरसस् (śirasas) - of the head

(noun)

Genitive, neuter, singular of śiras

śiras - head

च (ca) - and

(indeclinable)

प्रकम्पनम् (prakampanam) - shaking, trembling

(noun)

Accusative, neuter, singular of prakampana

prakampana - shaking, trembling, quivering; (as a noun) the act of shaking

verbal noun

From pra-kamp

Prefix: pra

Root: kamp (class 1)