महाभारतः mahābhārataḥ - book-3, chapter-109, verse-7

अस्मिन्नृषभकूटेऽभूदृषभो नाम तापसः ।
अनेकशतवर्षायुस्तपस्वी कोपनो भृशम् ॥७॥

7. asminnṛṣabhakūṭe'bhūdṛṣabho nāma tāpasaḥ ,
anekaśatavarṣāyustapasvī kopano bhṛśam.

7. asmin ṛṣabhakūṭe abhūt ṛṣabhaḥ nāma tāpasaḥ
| anekaśatavarṣāyuḥ tapasvī kopanaḥ bhṛśam

7. On this Ṛṣabhakūṭa mountain, there lived an ascetic (tapasvin) named Ṛṣabha, who was many hundreds of years old and extremely prone to anger.

Words meanings summery:

• अस्मिन् (asmin) - in this

• ऋषभकूटे (ṛṣabhakūṭe) - on the Ṛṣabhakūṭa mountain

• अभूत् (abhūt) - was, existed, became

• ऋषभः (ṛṣabhaḥ) - Name of the ascetic (Ṛṣabha (a name))

• नाम (nāma) - by name, named, indeed

• तापसः (tāpasaḥ) - ascetic, hermit

• अनेकशतवर्षायुः (anekaśatavarṣāyuḥ) - having an age of many hundreds of years, very long-lived

• तपस्वी (tapasvī) - ascetic, one who performs austerities (tapas)

• कोपनः (kopanaḥ) - irascible, wrathful, prone to anger

• भृशम् (bhṛśam) - very, exceedingly, greatly

Words meanings and morphology

अस्मिन् (asmin) - in this

(pronoun)

Locative, neuter, singular of idam

idam - this, this here

ऋषभकूटे (ṛṣabhakūṭe) - on the Ṛṣabhakūṭa mountain

(proper noun)

Locative, neuter, singular of ṛṣabhakūṭa

ṛṣabhakūṭa - peak of Ṛṣabha; Name of a mountain peak

Compound type : tatpurusha (ṛṣabha+kūṭa)

• ṛṣabha – bull, best, excellent; Name of a deity or person
  noun (masculine)
• kūṭa – peak, summit, horn, heap
  noun (neuter)

अभूत् (abhūt) - was, existed, became

(verb)

3rd person , singular, active, past aorist (luṅ) of abhūt

aorist past tense

Aorist tense (luṅ), 3rd person singular, active voice.

Root: bhū (class 1)

ऋषभः (ṛṣabhaḥ) - Name of the ascetic (Ṛṣabha (a name))

(proper noun)

Nominative, masculine, singular of ṛṣabha

ṛṣabha - bull, best, excellent; Name of a deity, sage, or person

नाम (nāma) - by name, named, indeed

(indeclinable)

तापसः (tāpasaḥ) - ascetic, hermit

(noun)

Nominative, masculine, singular of tāpasa

tāpasa - an ascetic, hermit, devotee (practicing tapas)

Derived from tapas (austerity, heat) with suffix -a.

अनेकशतवर्षायुः (anekaśatavarṣāyuḥ) - having an age of many hundreds of years, very long-lived

(adjective)

Nominative, masculine, singular of anekaśatavarṣāyus

anekaśatavarṣāyus - having an age of many hundreds of years, very long-lived

Compound type : bahuvrihi (aneka+śata+varṣa+āyus)

• aneka – not one, many, various
  adjective
• śata – hundred
  noun (neuter)
• varṣa – year, rain
  noun (neuter)
• āyus – life, duration of life, age
  noun (neuter)

तपस्वी (tapasvī) - ascetic, one who performs austerities (tapas)

(noun)

Nominative, masculine, singular of tapasvin

tapasvin - an ascetic, devotee, one performing penance (tapas)

Suffix -vin added to tapas.

कोपनः (kopanaḥ) - irascible, wrathful, prone to anger

(adjective)

Nominative, masculine, singular of kopana

kopana - irascible, wrathful, passionate, prone to anger

Derived from kopa (anger).

भृशम् (bhṛśam) - very, exceedingly, greatly

(indeclinable)