महाभारतः mahābhārataḥ - book-10, chapter-15, verse-21

ब्रह्मास्त्रमप्यवाप्यैतदुपदेशात्पितुस्तव ।
क्षत्रधर्मान्महाबाहुर्नाकम्पत धनंजयः ॥२१॥

21. brahmāstramapyavāpyaitadupadeśātpitustava ,
kṣatradharmānmahābāhurnākampata dhanaṁjayaḥ.

21. brahmāstram api avāpya etat upadeśāt pituḥ tava
| kṣatradharmāt mahābāhuḥ na akampata dhanaṃjayaḥ

21. api etat brahmāstram tava pituḥ upadeśāt avāpya (api),
mahābāhuḥ dhanaṃjayaḥ kṣatradharmāt na akampata

21. Even having obtained this Brahma weapon (brahmāstra) through the instruction (upadeśa) of his teacher (guru) – Dhananjaya (Arjuna), the mighty-armed, did not waver from the natural law (dharma) of a kṣatriya.

Words meanings summery:

• ब्रह्मास्त्रम् (brahmāstram) - Brahma missile/weapon

• अपि (api) - even, also, too

• अवाप्य (avāpya) - having obtained, having reached

• एतत् (etat) - Refers to the Brahma weapon. (this, this one)

• उपदेशात् (upadeśāt) - from instruction, from teaching

• पितुः (pituḥ) - Refers to Arjuna's guru, Drona, who is considered a father-figure. (of the father, of the teacher)

• तव (tava) - Refers to Arjuna's teacher. (your, of you)

• क्षत्रधर्मात् (kṣatradharmāt) - Due to adherence to the natural law (dharma) of a kṣatriya. (from the kṣatriya's natural law/duty)

• महाबाहुः (mahābāhuḥ) - An epithet for Arjuna. (the mighty-armed one)

• न (na) - not, no

• अकम्पत (akampata) - did not tremble, did not waver

• धनंजयः (dhanaṁjayaḥ) - Dhananjaya (Arjuna)

Words meanings and morphology

ब्रह्मास्त्रम् (brahmāstram) - Brahma missile/weapon

(noun)

Nominative, neuter, singular of brahmāstra

brahmāstra - the Brahma weapon, a divine missile associated with Brahman

Compound word, combining Brahma (related to Brahman) and astra (weapon)

Compound type : tatpuruṣa (brahman+astra)

• brahman – the Absolute, supreme reality; sacred knowledge; a priest
  noun (neuter)
• astra – missile, projectile, weapon
  noun (neuter)

अपि (api) - even, also, too

(indeclinable)

अवाप्य (avāpya) - having obtained, having reached

(indeclinable)

Absolutive (Gerund)

Derived from root āp (to obtain) with prefix ava-, forming an absolutive.

Prefix: ava

Root: āp (class 5)

एतत् (etat) - Refers to the Brahma weapon. (this, this one)

(pronoun)

Nominative, neuter, singular of etad

etad - this, this one (neuter)

उपदेशात् (upadeśāt) - from instruction, from teaching

(noun)

Ablative, masculine, singular of upadeśa

upadeśa - instruction, teaching, advice, initiation into knowledge

Prefix: upa

Root: diś (class 6)

पितुः (pituḥ) - Refers to Arjuna's guru, Drona, who is considered a father-figure. (of the father, of the teacher)

(noun)

Genitive, masculine, singular of pitṛ

pitṛ - father; ancestor; teacher, guru

तव (tava) - Refers to Arjuna's teacher. (your, of you)

(pronoun)

Genitive, singular of tvad

tvad - you (pronoun)

क्षत्रधर्मात् (kṣatradharmāt) - Due to adherence to the natural law (dharma) of a kṣatriya. (from the kṣatriya's natural law/duty)

(noun)

Ablative, masculine, singular of kṣatradharma

kṣatradharma - the natural law (dharma) or duty of a kṣatriya (warrior class)

Compound word combining kṣatra (warrior class) and dharma (natural law, duty)

Compound type : tatpuruṣa (kṣatra+dharma)

• kṣatra – the warrior class, power, dominion
  noun (neuter)
• dharma – natural law, duty, righteousness, virtue, cosmic order, intrinsic nature
  noun (masculine)
  Root: dhṛ (class 1)

महाबाहुः (mahābāhuḥ) - An epithet for Arjuna. (the mighty-armed one)

(adjective)

Nominative, masculine, singular of mahābāhu

mahābāhu - mighty-armed, having great arms

Compound word combining mahā (great) and bāhu (arm)

Compound type : bahuvrīhi (mahā+bāhu)

• mahā – great, large, mighty
  adjective
• bāhu – arm
  noun (masculine)

न (na) - not, no

(indeclinable)

अकम्पत (akampata) - did not tremble, did not waver

(verb)

3rd person , singular, middle, past imperfect (luṅ) of kamp

Imperfect Middle

3rd person singular, imperfect middle, from root kamp

Root: kamp (class 1)

धनंजयः (dhanaṁjayaḥ) - Dhananjaya (Arjuna)

(proper noun)

Nominative, masculine, singular of dhanaṃjaya

dhanaṁjaya - conqueror of wealth; an epithet for Arjuna

Compound word meaning 'conqueror of wealth'

Compound type : tatpuruṣa (dhana+jaya)

• dhana – wealth, riches, property
  noun (neuter)
• jaya – victory, conquest, triumph
  noun (masculine)
  Root: ji (class 1)