महाभारतः mahābhārataḥ - book-13, chapter-107, verse-43

त्रीन्कृशान्नावजानीयाद्दीर्घमायुर्जिजीविषुः ।
ब्राह्मणं क्षत्रियं सर्पं सर्वे ह्याशीविषास्त्रयः ॥४३॥

43. trīnkṛśānnāvajānīyāddīrghamāyurjijīviṣuḥ ,
brāhmaṇaṁ kṣatriyaṁ sarpaṁ sarve hyāśīviṣāstrayaḥ.

43. trīn kṛśān na avajānīyāt dīrgham āyuḥ jijīviṣuḥ
brāhmaṇam kṣatriyam sarpam sarve hi āśīviṣāḥ trayaḥ

43. dīrgham āyuḥ jijīviṣuḥ trīn kṛśān na avajānīyāt
brāhmaṇam kṣatriyam sarpam hi sarve trayaḥ āśīviṣāḥ

43. A person desiring a long lifespan should not disregard three 'weak' ones: a twice-born (brāhmaṇa), a warrior (kṣatriya), and a snake. For all three are truly venomous.

Words meanings summery:

• त्रीन् (trīn) - three

• कृशान् (kṛśān) - weak, thin, insignificant

• न (na) - not, no

• अवजानीयात् (avajānīyāt) - one should not despise/disregard

• दीर्घम् (dīrgham) - long, extended

• आयुः (āyuḥ) - life, lifespan, duration of life

• जिजीविषुः (jijīviṣuḥ) - desirous of living, wishing to live

• ब्राह्मणम् (brāhmaṇam) - a twice-born (brāhmaṇa) (Brahmin, a member of the priestly class, related to Brahman)

• क्षत्रियम् (kṣatriyam) - a warrior (kṣatriya) (Kshatriya, a member of the warrior/ruling class)

• सर्पम् (sarpam) - snake, serpent

• सर्वे (sarve) - all, every

• हि (hi) - indeed, because, for

• आशीविषाः (āśīviṣāḥ) - venomous (lit. 'whose poison is in their fangs'), a venomous snake

• त्रयः (trayaḥ) - three

Words meanings and morphology

त्रीन् (trīn) - three

(adjective)

Accusative, masculine, plural of tri

tri - three

कृशान् (kṛśān) - weak, thin, insignificant

(adjective)

Accusative, masculine, plural of kṛśa

kṛśa - thin, weak, lean, emaciated, insignificant

न (na) - not, no

(indeclinable)

अवजानीयात् (avajānīyāt) - one should not despise/disregard

(verb)

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

Prefix: ava

Root: jñā (class 9)

दीर्घम् (dīrgham) - long, extended

(adjective)

Accusative, neuter, singular of dīrgha

dīrgha - long, extended, prolonged

आयुः (āyuḥ) - life, lifespan, duration of life

(noun)

Nominative, neuter, singular of āyuṣ

āyuṣ - life, lifespan, duration of life

जिजीविषुः (jijīviṣuḥ) - desirous of living, wishing to live

(adjective)

Nominative, masculine, singular of jijīviṣu

jijīviṣu - desirous of living, wishing to live

Desiderative participle

Derived from desiderative stem of √jīv (to live)

Root: jīv (class 1)

ब्राह्मणम् (brāhmaṇam) - a twice-born (brāhmaṇa) (Brahmin, a member of the priestly class, related to Brahman)

(noun)

Accusative, masculine, singular of brāhmaṇa

brāhmaṇa - a Brahmin, one belonging to the priestly class, related to Brahman

क्षत्रियम् (kṣatriyam) - a warrior (kṣatriya) (Kshatriya, a member of the warrior/ruling class)

(noun)

Accusative, masculine, singular of kṣatriya

kṣatriya - a member of the warrior or ruling class, a warrior

सर्पम् (sarpam) - snake, serpent

(noun)

Accusative, masculine, singular of sarpa

sarpa - snake, serpent

सर्वे (sarve) - all, every

(adjective)

Nominative, masculine, plural of sarva

sarva - all, every, whole

हि (hi) - indeed, because, for

(indeclinable)

आशीविषाः (āśīviṣāḥ) - venomous (lit. 'whose poison is in their fangs'), a venomous snake

(adjective)

Nominative, masculine, plural of āśīviṣa

āśīviṣa - venomous (literally 'whose poison is in the fangs'), a venomous serpent

Bahuvrīhi compound: āśī (fang) + viṣa (poison)

Compound type : bahuvrīhi (āśī+viṣa)

• āśī – fang, serpent's tooth
  noun (feminine)
• viṣa – poison, venom
  noun (neuter)

त्रयः (trayaḥ) - three

(adjective)

Nominative, masculine, plural of tri

tri - three