महाभारतः mahābhārataḥ - book-13, chapter-90, verse-15

श्वानश्च पङ्क्तिदूषाश्च नावेक्षेरन्कथंचन ।
तस्मात्परिवृते दद्यात्तिलांश्चान्ववकीरयेत् ॥१५॥

15. śvānaśca paṅktidūṣāśca nāvekṣerankathaṁcana ,
tasmātparivṛte dadyāttilāṁścānvavakīrayet.

15. śvānaḥ ca paṅktidūṣāḥ ca na avekṣeran kathaṃcana
tasmāt parivṛte dadyāt tilān ca anvavakīrayet

15. śvānaḥ ca paṅktidūṣāḥ ca kathaṃcana na avekṣeran
tasmāt parivṛte tilān ca dadyāt anvavakīrayet

15. Dogs and those who defile the sacred gathering should under no circumstances be allowed to see it. Therefore, one should make the offering in an enclosed space and scatter sesame seeds around.

Words meanings summery:

• श्वानः (śvānaḥ) - dogs

• च (ca) - and, also

• पङ्क्तिदूषाः (paṅktidūṣāḥ) - defilers of a line, those who contaminate an assembly

• च (ca) - and, also

• न (na) - not, no

• अवेक्षेरन् (avekṣeran) - they should look, they should perceive

• कथंचन (kathaṁcana) - in any way, by no means, absolutely

• तस्मात् (tasmāt) - therefore, from that

• परिवृते (parivṛte) - in an enclosed place (in an enclosed/covered (place/space))

• दद्यात् (dadyāt) - one should give, he should offer

• तिलान् (tilān) - sesame seeds

• च (ca) - and, also

• अन्ववकीरयेत् (anvavakīrayet) - one should scatter around/over

Words meanings and morphology

श्वानः (śvānaḥ) - dogs

(noun)

Nominative, masculine, plural of śvan

śvan - dog

च (ca) - and, also

(indeclinable)

पङ्क्तिदूषाः (paṅktidūṣāḥ) - defilers of a line, those who contaminate an assembly

(noun)

Nominative, masculine, plural of paṅktidūṣa

paṅktidūṣa - defiler of a row; one who contaminates an assembly or ritual line

Compound noun formed from paṅkti and dūṣa

Compound type : tatpurusha (paṅkti+dūṣa)

• paṅkti – row, line, array, assembly, sacred line for ritual meals
  noun (feminine)
• dūṣa – defiler, polluter, corruptor, fault, blemish
  noun (masculine)
  Derived from root √duṣ (to be corrupt, faulty)
  Root: duṣ (class 4)

च (ca) - and, also

(indeclinable)

न (na) - not, no

(indeclinable)

अवेक्षेरन् (avekṣeran) - they should look, they should perceive

(verb)

3rd person , plural, active, optative (vidhi liṅ) of avekṣ

Optative

Root √īkṣ (to see) with prefix ava

Prefix: ava

Root: īkṣ (class 1)

कथंचन (kathaṁcana) - in any way, by no means, absolutely

(indeclinable)

Formed from kathaṃ (how) + cana (particle)

तस्मात् (tasmāt) - therefore, from that

(indeclinable)

परिवृते (parivṛte) - in an enclosed place (in an enclosed/covered (place/space))

(adjective)

Locative, neuter, singular of parivṛta

parivṛta - enclosed, covered, surrounded, protected

Past Passive Participle

Past Passive Participle of √vṛ (to cover, enclose) with prefix pari

Prefix: pari

Root: vṛ (class 5)

दद्यात् (dadyāt) - one should give, he should offer

(verb)

3rd person , singular, active, optative (vidhi liṅ) of dā

Optative

Root: dā (class 3)

तिलान् (tilān) - sesame seeds

(noun)

Accusative, masculine, plural of tila

tila - sesame, sesame seed (often used in ritual offerings)

च (ca) - and, also

(indeclinable)

अन्ववकीरयेत् (anvavakīrayet) - one should scatter around/over

(verb)

3rd person , singular, active, optative (vidhi liṅ) of anvavakīr

Optative

Root √kīr (to scatter) with prefixes anu and ava

Prefixes: anu+ava

Root: kīr (class 6)