महाभारतः mahābhārataḥ - book-6, chapter-44, verse-41

निर्दश्य दशनैश्चापि क्रोधात्स्वदशनच्छदान् ।
भ्रुकुटीकुटिलैर्वक्त्रैः प्रेक्षन्ते च परस्परम् ॥४१॥

41. nirdaśya daśanaiścāpi krodhātsvadaśanacchadān ,
bhrukuṭīkuṭilairvaktraiḥ prekṣante ca parasparam.

41. nirdasya daśanaiḥ ca api krodhāt svadaśanacchadān
bhrukuṭīkuṭilair vaktraiḥ prekṣante ca parasparam

41. ca api krodhāt daśanaiḥ svadaśanacchadān nirdasya
ca bhrukuṭīkuṭilaiḥ vaktraiḥ parasparam prekṣante

41. And from anger, having bitten their own lips with their teeth, they also looked at each other with faces contorted by furrowed brows.

Words meanings summery:

• निर्दस्य (nirdasya) - having bitten, having gnawed

• दशनैः (daśanaiḥ) - with teeth

• च (ca) - and

• अपि (api) - also, even

• क्रोधात् (krodhāt) - in anger (from anger, out of anger)

• स्वदशनच्छदान् (svadaśanacchadān) - their own lips

• भ्रुकुटीकुटिलैः (bhrukuṭīkuṭilaiḥ) - with faces contorted by furrowed brows (with faces crooked from furrowed brows, with frowning faces)

• वक्त्रैः (vaktraiḥ) - with faces, with mouths

• प्रेक्षन्ते (prekṣante) - they looked at, they observed

• च (ca) - and

• परस्परम् (parasparam) - mutually, reciprocally, each other

Words meanings and morphology

निर्दस्य (nirdasya) - having bitten, having gnawed

(indeclinable)

Absolutive (Gerund)

From √daś (to bite) with prefix nir- and suffix -ya.

Prefix: nir

Root: daś (class 1)

Note: Absolutive, indicates prior action.

दशनैः (daśanaiḥ) - with teeth

(noun)

Instrumental, masculine, plural of daśana

daśana - tooth, tusk, biting

From √daś (to bite).

Root: daś (class 1)

च (ca) - and

(indeclinable)

Conjunction.

अपि (api) - also, even

(indeclinable)

Particle.

क्रोधात् (krodhāt) - in anger (from anger, out of anger)

(noun)

Ablative, masculine, singular of krodha

krodha - anger, wrath, fury

From √kudh (to be angry).

Root: krudh (class 4)

Note: Indicates cause or origin.

स्वदशनच्छदान् (svadaśanacchadān) - their own lips

(noun)

Accusative, masculine, plural of svadaśanacchada

svadaśanacchada - own lip, own tooth-cover

Compound type : tatpuruṣa (sva+daśanacchada)

• sva – own, one's own
  pronoun
• daśanacchada – tooth-cover, lip
  noun (masculine)

Note: Object of 'nirdasya'.

भ्रुकुटीकुटिलैः (bhrukuṭīkuṭilaiḥ) - with faces contorted by furrowed brows (with faces crooked from furrowed brows, with frowning faces)

(adjective)

Instrumental, masculine, plural of bhrukuṭīkuṭila

bhrukuṭīkuṭila - crooked with knitted eyebrows, frowning

Compound type : tatpuruṣa (bhrukuṭī+kuṭila)

• bhrukuṭī – frown, knitted brow
  noun (feminine)
  Root: bhru
• kuṭila – crooked, bent, winding, artful
  adjective
  Root: kuṭ (class 1)

Note: Modifies 'vaktraiḥ'.

वक्त्रैः (vaktraiḥ) - with faces, with mouths

(noun)

Instrumental, neuter, plural of vaktra

vaktra - mouth, face, countenance

From √vac (to speak).

Root: vac (class 2)

प्रेक्षन्ते (prekṣante) - they looked at, they observed

(verb)

3rd person , plural, middle, present (Laṭ) of īkṣ

Present Middle

From √īkṣ (to see) with prefix pra-, 3rd plural, present tense.

Prefix: pra

Root: īkṣ (class 1)

च (ca) - and

(indeclinable)

Conjunction.

परस्परम् (parasparam) - mutually, reciprocally, each other

(indeclinable)

Adverbial.