महाभारतः mahābhārataḥ - book-1, chapter-38, verse-21

न हि शक्नोति संयन्तुं पुत्रं कोपसमन्वितम् ।
ततोऽहं प्रेषितस्तेन तव राजन्हितार्थिना ॥२१॥

21. na hi śaknoti saṁyantuṁ putraṁ kopasamanvitam ,
tato'haṁ preṣitastena tava rājanhitārthinā.

21. na hi śaknoti saṃyantum putram kopasamanvitam
tataḥ aham preṣitaḥ tena tava rājan hitārthinā

21. Indeed, he is unable to restrain his son, who is filled with anger. Therefore, O King, I have been sent by him who wishes your well-being.

Words meanings summery:

• न (na) - not (not, no)

• हि (hi) - indeed (indeed, surely, for)

• शक्नोति (śaknoti) - he is able (he is able, he can)

• संयन्तुम् (saṁyantum) - to restrain (to control, to restrain, to curb)

• पुत्रम् (putram) - his son (Śṛṅgi) (son, child)

• कोपसमन्वितम् (kopasamanvitam) - overcome by anger, enraged (accompanied by anger, filled with anger)

• ततः (tataḥ) - therefore (then, therefore, from that)

• अहम् (aham) - I (the speaker, a messenger from Śamīka) (I)

• प्रेषितः (preṣitaḥ) - I have been sent (sent, dispatched)

• तेन (tena) - by him (Śamīka) (by him, by that)

• तव (tava) - your (your, of you)

• राजन् (rājan) - O King (Parikshit) (O king)

• हितार्थिना (hitārthinā) - by one desiring your welfare (Śamīka) (by one desiring welfare, by a well-wisher)

Words meanings and morphology

न (na) - not (not, no)

(indeclinable)

हि (hi) - indeed (indeed, surely, for)

(indeclinable)

शक्नोति (śaknoti) - he is able (he is able, he can)

(verb)

3rd person , singular, active, present (laṭ) of śak

Root: śak (class 5)

संयन्तुम् (saṁyantum) - to restrain (to control, to restrain, to curb)

(verb)

infinitive (tumun) of saṃ-yam

Prefix: sam

Root: yam (class 1)

पुत्रम् (putram) - his son (Śṛṅgi) (son, child)

(noun)

Accusative, masculine, singular of putra

putra - son, child

कोपसमन्वितम् (kopasamanvitam) - overcome by anger, enraged (accompanied by anger, filled with anger)

(adjective)

Accusative, masculine, singular of kopasamanvita

kopasamanvita - accompanied by anger, filled with anger

Compound type : tatpuruṣa (kopa+samanvita)

• kopa – anger, wrath, fury
  noun (masculine)
  action noun
  derived from √kup (to be angry)
  Root: kup (class 4)
• samanvita – accompanied by, connected with, endowed with
  adjective (masculine)
  past passive participle
  derived from √i (to go) with sam and anu prefixes
  Prefixes: sam+anu
  Root: i (class 2)

ततः (tataḥ) - therefore (then, therefore, from that)

(indeclinable)

derived from tad (that) + tasil (suffix)

अहम् (aham) - I (the speaker, a messenger from Śamīka) (I)

(pronoun)

Nominative, singular of mad

mad - I, my

प्रेषितः (preṣitaḥ) - I have been sent (sent, dispatched)

(adjective)

Nominative, masculine, singular of preṣita

preṣita - sent, dispatched, ordered, urged

past passive participle

derived from √iṣ (to send) with pra prefix

Prefix: pra

Root: iṣ (class 4)

तेन (tena) - by him (Śamīka) (by him, by that)

(pronoun)

Instrumental, masculine, singular of tad

tad - that, he, she, it

तव (tava) - your (your, of you)

(pronoun)

Genitive, singular of yuṣmad

yuṣmad - you (singular)

राजन् (rājan) - O King (Parikshit) (O king)

(noun)

Vocative, masculine, singular of rājan

rājan - king, sovereign, ruler

Root: rāj (class 1)

हितार्थिना (hitārthinā) - by one desiring your welfare (Śamīka) (by one desiring welfare, by a well-wisher)

(adjective)

Instrumental, masculine, singular of hitārthin

hitārthin - desiring welfare, seeking advantage; well-wisher

Compound type : ṣaṣṭhī tatpuruṣa (hita+arthin)

• hita – welfare, benefit, good; suitable; placed, enjoined
  noun (neuter)
  past passive participle
  derived from √dhā (to place, set, hold)
  Root: dhā (class 3)
• arthin – desiring, wishing; a suitor, beggar
  adjective (masculine)
  agent noun
  derived from artha (purpose, object, wealth) + in (suffix)