महाभारतः mahābhārataḥ - book-7, chapter-102, verse-21

इतो गते भीमसेने सात्वतं प्रति पाण्डवे ।
सनाथौ भवितारौ हि युधि सात्वतफल्गुनौ ॥२१॥

21. ito gate bhīmasene sātvataṁ prati pāṇḍave ,
sanāthau bhavitārau hi yudhi sātvataphalgunau.

21. itaḥ gate bhīmasene sātvatam prati pāṇḍave
sanāthau bhavitārau hi yudhi sātvataphālgunau

21. pāṇḍave bhīmasene itaḥ sātvatam prati gate,
hi sātvataphālgunau yudhi sanāthau bhavitārau

21. When Bhimasena, the Pandava, has departed from here towards Satyaki, then indeed, Satyaki and Arjuna will be well-protected in battle.

Words meanings summery:

• इतः (itaḥ) - from here, hence

• गते (gate) - having gone, departed

• भीमसेने (bhīmasene) - when Bhimasena (in Bhimasena, for Bhimasena)

• सात्वतम् (sātvatam) - towards Satyaki (Satyaki)

• प्रति (prati) - towards, against, in front of

• पाण्डवे (pāṇḍave) - referring to Bhimasena as a Pandava (in the Pandava)

• सनाथौ (sanāthau) - having a protector, with a lord

• भवितारौ (bhavitārau) - will be

• हि (hi) - indeed, certainly

• युधि (yudhi) - in battle, in war

• सात्वतफाल्गुनौ (sātvataphālgunau) - Satyaki and Arjuna

Words meanings and morphology

इतः (itaḥ) - from here, hence

(indeclinable)

गते (gate) - having gone, departed

(adjective)

Locative, masculine, singular of gata

gata - gone, departed, arrived at

Past Passive Participle

Formed from root gam with suffix -ta

Root: gam (class 1)

Note: Used in a locative absolute construction

भीमसेने (bhīmasene) - when Bhimasena (in Bhimasena, for Bhimasena)

(proper noun)

Locative, masculine, singular of bhīmasena

bhīmasena - Bhimasena (name of a Pandava prince)

Note: Used in a locative absolute construction

सात्वतम् (sātvatam) - towards Satyaki (Satyaki)

(proper noun)

Accusative, masculine, singular of sātvata

sātvata - Satyaki (name of a Vrishni warrior and Krishna's charioteer)

प्रति (prati) - towards, against, in front of

(indeclinable)

पाण्डवे (pāṇḍave) - referring to Bhimasena as a Pandava (in the Pandava)

(noun)

Locative, masculine, singular of pāṇḍava

pāṇḍava - descendant of Pandu, a Pandava

Derived from Paṇḍu (name) with suffix -a

Note: Used in a locative absolute construction, here likely as an epithet for Bhimasena.

सनाथौ (sanāthau) - having a protector, with a lord

(adjective)

Nominative, masculine, dual of sanātha

sanātha - having a protector, having a master, with help

Compound type : bahuvrīhi (sa+nātha)

• sa – with, together with
  indeclinable
• nātha – lord, master, protector, refuge
  noun (masculine)

भवितारौ (bhavitārau) - will be

(adjective)

Nominative, masculine, dual of bhavitṛ

bhavitṛ - one who will be, about to be

Future Participle / Future Agent Noun

Formed from root bhū with suffix -tṛ (fut.)

Root: bhū (class 1)

हि (hi) - indeed, certainly

(indeclinable)

युधि (yudhi) - in battle, in war

(noun)

Locative, feminine, singular of yudh

yudh - battle, fight, war

सात्वतफाल्गुनौ (sātvataphālgunau) - Satyaki and Arjuna

(proper noun)

Nominative, masculine, dual of sātvataphālguna

sātvataphālguna - Satyaki and Arjuna

Compound type : dvandva (sātvata+phālguna)

• sātvata – Satyaki (name of a Vrishni warrior)
  proper noun (masculine)
• phālguna – Arjuna (name of a Pandava prince, born in the month Phalguna)
  proper noun (masculine)