महाभारतः mahābhārataḥ - book-7, chapter-66, verse-10

विव्याध च रणे द्रोणमनुमान्य विशां पते ।
क्षत्रधर्मं समास्थाय नवभिः सायकैः पुनः ॥१०॥

10. vivyādha ca raṇe droṇamanumānya viśāṁ pate ,
kṣatradharmaṁ samāsthāya navabhiḥ sāyakaiḥ punaḥ.

10. vivyādha ca raṇe droṇam anumānya viśām pate
kṣatradharmam samāsthāya navabhiḥ sāyakaiḥ punaḥ

10. viśām pate,
anumānya droṇam,
kṣatradharmam samāsthāya,
punaḥ ca raṇe navabhiḥ sāyakaiḥ vivyādha

10. O lord of men, having first honored Drona, and upholding the warrior's code (kṣatradharma), (Arjuna) then pierced him again in battle with nine arrows.

Words meanings summery:

• विव्याध (vivyādha) - pierced, struck, hit

• च (ca) - and, also

• रणे (raṇe) - in battle, in combat, in war

• द्रोणम् (droṇam) - Drona (accusative)

• अनुमान्य (anumānya) - having honored, having respected, having obtained permission

• विशाम् (viśām) - of people, of subjects

• पते (pate) - O lord, O master

• क्षत्रधर्मम् (kṣatradharmam) - the duty of a warrior, the warrior's code or constitution

• समास्थाय (samāsthāya) - having resorted to, having adopted, having taken up

• नवभिः (navabhiḥ) - with nine

• सायकैः (sāyakaiḥ) - with arrows

• पुनः (punaḥ) - again, further, moreover, but

Words meanings and morphology

विव्याध (vivyādha) - pierced, struck, hit

(verb)

3rd person , singular, active, perfect (lit) of √vyadh

Prefix: vi

Root: √vyadh (class 4)

च (ca) - and, also

(indeclinable)

रणे (raṇe) - in battle, in combat, in war

(noun)

Locative, masculine, singular of raṇa

raṇa - battle, combat, war, conflict

द्रोणम् (droṇam) - Drona (accusative)

(proper noun)

Accusative, masculine, singular of droṇa

droṇa - Drona (a prominent character and guru in the Mahabharata)

अनुमान्य (anumānya) - having honored, having respected, having obtained permission

(indeclinable)

Prefix: anu

Root: √mān (class 8)

Note: Absolutive (gerund) form

विशाम् (viśām) - of people, of subjects

(noun)

Genitive, feminine, plural of viś

viś - people, subjects, community, common folk

पते (pate) - O lord, O master

(noun)

Vocative, masculine, singular of pati

pati - lord, master, husband, protector

Note: Used in address, 'O lord of men'.

क्षत्रधर्मम् (kṣatradharmam) - the duty of a warrior, the warrior's code or constitution

(noun)

Accusative, masculine, singular of kṣatradharma

kṣatradharma - the law or duty (dharma) of the kshatriya (warrior class)

Compound type : tatpuruṣa (kṣatra+dharma)

• kṣatra – warrior, ruler, a member of the kshatriya caste
  noun (neuter)
• dharma – constitution, natural law, intrinsic nature, duty, righteousness, virtue, custom
  noun (masculine)
  Root: √dhṛ

समास्थाय (samāsthāya) - having resorted to, having adopted, having taken up

(indeclinable)

Prefixes: sam+ā

Root: √sthā (class 1)

Note: Absolutive (gerund) form

नवभिः (navabhiḥ) - with nine

(adjective)

Instrumental, plural of nava

nava - nine

सायकैः (sāyakaiḥ) - with arrows

(noun)

Instrumental, masculine, plural of sāyaka

sāyaka - arrow, missile

Derived from √si (to shoot) + -aka

Root: √si (class 4)

पुनः (punaḥ) - again, further, moreover, but

(indeclinable)