महाभारतः mahābhārataḥ - book-12, chapter-53, verse-10

गच्छ शैनेय जानीहि गत्वा राजनिवेशनम् ।
अपि सज्जो महातेजा भीष्मं द्रष्टुं युथिष्ठिरः ॥१०॥

10. gaccha śaineya jānīhi gatvā rājaniveśanam ,
api sajjo mahātejā bhīṣmaṁ draṣṭuṁ yuthiṣṭhiraḥ.

10. gaccha śaineya jānīhi gatvā rājaniveśanam api
sajjaḥ mahātejā bhīṣmam draṣṭum yudhiṣṭhiraḥ

10. śaineya gaccha rājaniveśanam gatvā api mahātejā
yudhiṣṭhiraḥ bhīṣmam draṣṭum sajjaḥ iti jānīhi

10. “Go, O Śaineya (Satyaki), and after reaching the king's abode, ascertain if the greatly glorious Yudhishthira is ready to see Bhishma.”

Words meanings summery:

• गच्छ (gaccha) - go (go, proceed)

• शैनेय (śaineya) - O Śaineya (addressing Satyaki) (O Śaineya (Satyaki))

• जानीहि (jānīhi) - ascertain (know, ascertain)

• गत्वा (gatvā) - having gone, after reaching (having gone)

• राजनिवेशनम् (rājaniveśanam) - the king's abode (king's abode, royal palace)

• अपि (api) - whether, if (introduces a question) (also, even, indeed; (as interrogative particle) whether, if)

• सज्जः (sajjaḥ) - ready (ready, prepared, equipped)

• महातेजा (mahātejā) - the greatly glorious (Yudhishthira) (greatly glorious, mighty-spirited)

• भीष्मम् (bhīṣmam) - Bhishma (Bhishma (name of a character))

• द्रष्टुम् (draṣṭum) - to see (to see, in order to see)

• युधिष्ठिरः (yudhiṣṭhiraḥ) - Yudhishthira (Yudhishthira (name of a king))

Words meanings and morphology

गच्छ (gaccha) - go (go, proceed)

(verb)

2nd person , singular, active, imperative (loṭ) of gam

Imperative, 2nd person singular, active, from root gam (1P, to go)

Root: gam (class 1)

शैनेय (śaineya) - O Śaineya (addressing Satyaki) (O Śaineya (Satyaki))

(proper noun)

Vocative, masculine, singular of śaineya

śaineya - descendant of Śini, an epithet of Satyaki

patronymic from Śini

Note: A name of Satyaki.

जानीहि (jānīhi) - ascertain (know, ascertain)

(verb)

2nd person , singular, active, imperative (loṭ) of jñā

Imperative, 2nd person singular, active, from root jñā (9P, to know)

Root: jñā (class 9)

गत्वा (gatvā) - having gone, after reaching (having gone)

(indeclinable)

Absolutive/Gerund

from root gam (1P, to go)

Root: gam (class 1)

राजनिवेशनम् (rājaniveśanam) - the king's abode (king's abode, royal palace)

(noun)

Accusative, neuter, singular of rājaniveśana

rājaniveśana - king's dwelling, royal palace

Compound type : tatpuruṣa (rājan+niveśana)

• rājan – king
  noun (masculine)
• niveśana – entering, dwelling, abode
  noun (neuter)
  verbal noun
  from root viś (6P, to enter) with upasarga ni
  Prefix: ni
  Root: viś (class 6)

Note: Object of `gatvā`.

अपि (api) - whether, if (introduces a question) (also, even, indeed; (as interrogative particle) whether, if)

(indeclinable)

Note: Introduces a question.

सज्जः (sajjaḥ) - ready (ready, prepared, equipped)

(adjective)

Nominative, masculine, singular of sajja

sajja - ready, prepared, equipped, armed

from root sañj (to cling to, attach) + suffix -a, or related to sajjate (to be ready)

Root: sañj (class 1)

Note: Predicative adjective for Yudhishthira.

महातेजा (mahātejā) - the greatly glorious (Yudhishthira) (greatly glorious, mighty-spirited)

(adjective)

Nominative, masculine, singular of mahātejas

mahātejas - having great splendor/glory/energy

Compound type : bahuvrīhi (mahā+tejas)

• mahā – great, mighty
  adjective
• tejas – splendor, glory, energy, power
  noun (neuter)

Note: Qualifies Yudhishthira.

भीष्मम् (bhīṣmam) - Bhishma (Bhishma (name of a character))

(proper noun)

Accusative, masculine, singular of bhīṣma

bhīṣma - terrible, formidable; name of a prominent character in the Mahabharata

Note: Object of `draṣṭum`.

द्रष्टुम् (draṣṭum) - to see (to see, in order to see)

(indeclinable)

Infinitive

from root dṛś (1P, to see)

Root: dṛś (class 1)

Note: Functions as a verbal infinitive.

युधिष्ठिरः (yudhiṣṭhiraḥ) - Yudhishthira (Yudhishthira (name of a king))

(proper noun)

Nominative, masculine, singular of yudhiṣṭhira

yudhiṣṭhira - steady in battle; name of the eldest Pandava brother

from yudhi (in battle) + sthira (firm, steady)

Compound type : aluk tatpuruṣa (yudhi+sthira)

• yudh – battle, fight
  noun (feminine)
• sthira – firm, steady, constant
  adjective (masculine)
  from root sthā (to stand)
  Root: sthā (class 1)

Note: Subject of the implied verb 'is'.