महाभारतः mahābhārataḥ - book-9, chapter-42, verse-7

तान्दृष्ट्वा राक्षसान्राजन्मुनयः संशितव्रताः ।
परित्राणे सरस्वत्याः परं यत्नं प्रचक्रिरे ॥७॥

7. tāndṛṣṭvā rākṣasānrājanmunayaḥ saṁśitavratāḥ ,
paritrāṇe sarasvatyāḥ paraṁ yatnaṁ pracakrire.

7. tān dṛṣṭvā rākṣasān rājan munayaḥ saṃśitavratāḥ
paritrāṇe sarasvatyāḥ paraṃ yatnaṃ pracakrire

7. rājan tān rākṣasān dṛṣṭvā saṃśitavratāḥ munayaḥ
sarasvatyāḥ paritrāṇe paraṃ yatnaṃ pracakrire

7. O King, seeing those demons, the sages, who were steadfast in their vows, made a great effort to protect Sarasvati.

Words meanings summery:

• तान् (tān) - them, those

• दृष्ट्वा (dṛṣṭvā) - having seen, after seeing

• राक्षसान् (rākṣasān) - demons, malevolent beings

• राजन् (rājan) - O King

• मुनयः (munayaḥ) - sages, ascetics

• संशितव्रताः (saṁśitavratāḥ) - those of strict vows, those with firm resolutions

• परित्राणे (paritrāṇe) - in the protection, for the sake of protection

• सरस्वत्याः (sarasvatyāḥ) - of the river/goddess Sarasvati (of Sarasvati)

• परं (paraṁ) - great, supreme, utmost, excellent

• यत्नं (yatnaṁ) - effort, exertion, endeavor

• प्रचक्रिरे (pracakrire) - they made, they did, they undertook

Words meanings and morphology

तान् (tān) - them, those

(pronoun)

Accusative, masculine, plural of tad

tad - that, those, them

दृष्ट्वा (dṛṣṭvā) - having seen, after seeing

(indeclinable)

Absolutive (Gerund)

Formed from root dṛś with suffix -tvā

Root: dṛś (class 1)

राक्षसान् (rākṣasān) - demons, malevolent beings

(noun)

Accusative, masculine, plural of rākṣasa

rākṣasa - demon, evil spirit

राजन् (rājan) - O King

(noun)

Vocative, masculine, singular of rājan

rājan - king, ruler

मुनयः (munayaḥ) - sages, ascetics

(noun)

Nominative, masculine, plural of muni

muni - sage, ascetic, contemplative

संशितव्रताः (saṁśitavratāḥ) - those of strict vows, those with firm resolutions

(adjective)

Nominative, masculine, plural of saṃśitavrata

saṁśitavrata - one whose vows are strict, having firm resolutions

Compound type : Bahuvrihi (saṃśita+vrata)

• saṃśita – sharpened, strict, firm, disciplined
  adjective
  Past Passive Participle
  From root śo/śā (to sharpen) with prefix sam-
  Prefix: sam
  Root: śo
• vrata – vow, observance, religious practice, resolution
  noun (neuter)

परित्राणे (paritrāṇe) - in the protection, for the sake of protection

(noun)

Locative, neuter, singular of paritrāṇa

paritrāṇa - protection, preservation, rescue

From root trā (to protect) with prefix pari-

Prefix: pari

Root: trā

सरस्वत्याः (sarasvatyāḥ) - of the river/goddess Sarasvati (of Sarasvati)

(proper noun)

Genitive, feminine, singular of sarasvatī

sarasvatī - Sarasvati (a prominent Vedic river and later the goddess of knowledge, music, art, speech, wisdom, and learning)

परं (paraṁ) - great, supreme, utmost, excellent

(adjective)

Accusative, neuter, singular of para

para - other, distant, supreme, chief, excellent

Note: Functions adverbially here, modifying 'yatnaṃ' (effort) to mean 'great effort'.

यत्नं (yatnaṁ) - effort, exertion, endeavor

(noun)

Accusative, masculine, singular of yatna

yatna - effort, exertion, endeavor, attempt

प्रचक्रिरे (pracakrire) - they made, they did, they undertook

(verb)

3rd person , plural, middle, Perfect (Lit) of kṛ

Root kṛ (class 8), here in Perfect (Lit) Middle Voice

Prefix: pra

Root: kṛ (class 8)