महाभारतः mahābhārataḥ - book-1, chapter-24, verse-4

अग्निरर्को विषं शस्त्रं विप्रो भवति कोपितः ।
भूतानामग्रभुग्विप्रो वर्णश्रेष्ठः पिता गुरुः ॥४॥

4. agnirarko viṣaṁ śastraṁ vipro bhavati kopitaḥ ,
bhūtānāmagrabhugvipro varṇaśreṣṭhaḥ pitā guruḥ.

4. agniḥ arkaḥ viṣam śastram vipraḥ bhavati kopitaḥ
bhūtānām agra-bhuk vipraḥ varṇa-śreṣṭhaḥ pitā guruḥ

4. An enraged Brāhmaṇa becomes like fire, the sun, poison, or a weapon. A Brāhmaṇa is the foremost enjoyer among all beings, the best of castes, a father, and a guru.

Words meanings summery:

• अग्निः (agniḥ) - fire

• अर्कः (arkaḥ) - sun (sun, ray, praise)

• विषम् (viṣam) - poison (poison, venom)

• शस्त्रम् (śastram) - weapon (weapon, sword)

• विप्रः (vipraḥ) - a Brāhmaṇa (a Brāhmaṇa, sage, inspired one)

• भवति (bhavati) - becomes (is, becomes, exists)

• कोपितः (kopitaḥ) - enraged (enraged, angered, provoked)

• भूतानाम् (bhūtānām) - among all beings (of beings, of creatures)

• अग्र-भुक् (agra-bhuk) - foremost enjoyer (foremost enjoyer, first to eat)

• विप्रः (vipraḥ) - a Brāhmaṇa (a Brāhmaṇa, sage, inspired one)

• वर्ण-श्रेष्ठः (varṇa-śreṣṭhaḥ) - the best of castes (best of castes, chief of castes)

• पिता (pitā) - a father (father)

• गुरुः (guruḥ) - a guru (teacher, preceptor, heavy, important)

Words meanings and morphology

अग्निः (agniḥ) - fire

(noun)

Nominative, masculine, singular of agni

agni - fire, the god of fire

अर्कः (arkaḥ) - sun (sun, ray, praise)

(noun)

Nominative, masculine, singular of arka

arka - ray, sun, sun-god, praise, hymn

विषम् (viṣam) - poison (poison, venom)

(noun)

Nominative, neuter, singular of viṣa

viṣa - poison, venom

शस्त्रम् (śastram) - weapon (weapon, sword)

(noun)

Nominative, neuter, singular of śastra

śastra - weapon, tool, sword, instrument

विप्रः (vipraḥ) - a Brāhmaṇa (a Brāhmaṇa, sage, inspired one)

(noun)

Nominative, masculine, singular of vipra

vipra - a Brāhmaṇa, sage, inspired, learned

भवति (bhavati) - becomes (is, becomes, exists)

(verb)

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

Present 3rd singular of bhū

Root: bhū (class 1)

कोपितः (kopitaḥ) - enraged (enraged, angered, provoked)

(adjective)

Nominative, masculine, singular of kopita

kopita - angered, enraged, provoked

past participle (causative)

Past passive participle of causative of kup

Root: kup (class 4)

भूतानाम् (bhūtānām) - among all beings (of beings, of creatures)

(noun)

Genitive, neuter, plural of bhūta

bhūta - being, creature, element; become, past

past participle

Past passive participle of bhū

Root: bhū (class 1)

Note: Used in the sense of 'among' or 'of' a group.

अग्र-भुक् (agra-bhuk) - foremost enjoyer (foremost enjoyer, first to eat)

(noun)

Nominative, masculine, singular of agra-bhuj

agra-bhuj - eating first, foremost enjoyer

agent noun

Compound formed from agra + agent noun from bhuj

Compound type : tatpuruṣa (agra+bhuj)

• agra – front, top, first, chief, foremost
  noun (neuter)
• bhuj – to eat, to enjoy, to rule
  verb_base (masculine)
  agent noun
  Derived from root bhuj (kvip suffix)
  Root: bhuj (class 7)

विप्रः (vipraḥ) - a Brāhmaṇa (a Brāhmaṇa, sage, inspired one)

(noun)

Nominative, masculine, singular of vipra

vipra - a Brāhmaṇa, sage, inspired, learned

वर्ण-श्रेष्ठः (varṇa-śreṣṭhaḥ) - the best of castes (best of castes, chief of castes)

(adjective)

Nominative, masculine, singular of varṇa-śreṣṭha

varṇa-śreṣṭha - best of castes

Compound type : tatpuruṣa (varṇa+śreṣṭha)

• varṇa – color, caste, class, quality
  noun (masculine)
• śreṣṭha – best, most excellent, chief
  adjective (masculine)

पिता (pitā) - a father (father)

(noun)

Nominative, masculine, singular of pitṛ

pitṛ - father

गुरुः (guruḥ) - a guru (teacher, preceptor, heavy, important)

(noun)

Nominative, masculine, singular of guru

guru - teacher, spiritual guide, preceptor; heavy, venerable, important