महाभारतः mahābhārataḥ - book-3, chapter-34, verse-9

कर्शयामः स्वमित्राणि नन्दयामश्च शात्रवान् ।
आत्मानं भवतः शास्त्रे नियम्य भरतर्षभ ॥९॥

9. karśayāmaḥ svamitrāṇi nandayāmaśca śātravān ,
ātmānaṁ bhavataḥ śāstre niyamya bharatarṣabha.

9. karśayāmaḥ svamitrāṇi nandayāmaḥ ca śātravān
ātmānam bhavataḥ śāstre niyamya bharatarṣabha

9. O best of Bharatas, by restraining our own self (ātman) according to your teachings (śāstra), we distress our friends and gladden our enemies.

Words meanings summery:

• कर्शयामः (karśayāmaḥ) - we distress, we weaken

• स्वमित्राणि (svamitrāṇi) - own friends

• नन्दयामः (nandayāmaḥ) - we gladden, we cause to rejoice

• च (ca) - and

• शात्रवान् (śātravān) - enemies, foes

• आत्मानम् (ātmānam) - our own self (self, soul, spirit)

• भवतः (bhavataḥ) - your (honorific)

• शास्त्रे (śāstre) - in the teaching, in the rule, in the scripture

• नियम्य (niyamya) - having restrained, having controlled

• भरतर्षभ (bharatarṣabha) - O best of Bharatas

Words meanings and morphology

कर्शयामः (karśayāmaḥ) - we distress, we weaken

(verb)

1st person , plural, active, present (laṭ) of karśaya

causative stem

causative from root kṛś (to be thin, to distress)

Root: kṛś (class 4)

स्वमित्राणि (svamitrāṇi) - own friends

(noun)

Accusative, neuter, plural of svamitra

svamitra - one's own friend

Compound type : karmadhāraya (sva+mitra)

• sva – one's own, self
  pronoun/adjective (masculine)
• mitra – friend, companion, ally
  noun (neuter)

नन्दयामः (nandayāmaḥ) - we gladden, we cause to rejoice

(verb)

1st person , plural, active, present (laṭ) of nandaya

causative stem

causative from root nand (to rejoice)

Root: nand (class 1)

च (ca) - and

(indeclinable)

शात्रवान् (śātravān) - enemies, foes

(noun)

Accusative, masculine, plural of śātru

śātru - enemy, foe, rival

Root: śat

आत्मानम् (ātmānam) - our own self (self, soul, spirit)

(noun)

Accusative, masculine, singular of ātman

ātman - self, soul, spirit, essence, breath

from root an (to breathe)

Root: an (class 2)

भवतः (bhavataḥ) - your (honorific)

(pronoun)

Genitive, singular of bhavat

bhavat - you (honorific), your honor

Present Active Participle

present active participle of root bhū (to be), used as an honorific pronoun

Root: bhū (class 1)

शास्त्रे (śāstre) - in the teaching, in the rule, in the scripture

(noun)

Locative, neuter, singular of śāstra

śāstra - teaching, treatise, rule, scripture, science, instruction

from root śās (to command, instruct)

Root: śās (class 2)

नियम्य (niyamya) - having restrained, having controlled

(indeclinable)

gerund/absolutive

gerund (absolutive) formed from root yam with prefix ni

Prefix: ni

Root: yam (class 1)

भरतर्षभ (bharatarṣabha) - O best of Bharatas

(proper noun)

Vocative, masculine, singular of bharatarṣabha

bharatarṣabha - best among the Bharatas, O best of Bharatas

Compound type : ṣaṣṭhī-tatpuruṣa (bharata+ṛṣabha)

• bharata – descendant of Bharata, a king, a clan name
  proper noun (masculine)
• ṛṣabha – bull, best, excellent, chief
  noun (masculine)