महाभारतः mahābhārataḥ - book-6, chapter-16, verse-40

श्वेतोष्णीषं श्वेतहयं श्वेतवर्माणमच्युतम् ।
अपश्याम महाराज भीष्मं चन्द्रमिवोदितम् ॥४०॥

40. śvetoṣṇīṣaṁ śvetahayaṁ śvetavarmāṇamacyutam ,
apaśyāma mahārāja bhīṣmaṁ candramivoditam.

40. śvetoṣṇīṣam śvetahayam śvetavarmāṇam acyutam
apaśyāma mahārāja bhīṣmam candram iva uditam

40. mahārāja śvetoṣṇīṣam śvetahayam śvetavarmāṇam
acyutam bhīṣmam candram iva uditam apaśyāma

40. O great King (Mahārāja), we saw Bhīṣma, wearing a white turban, with white horses, clad in white armor, steadfast and unfailing (acyuta), shining like the risen moon.

Words meanings summery:

• श्वेतोष्णीषम् (śvetoṣṇīṣam) - wearing a white turban (having a white turban)

• श्वेतहयम् (śvetahayam) - with white horses (having white horses)

• श्वेतवर्माणम् (śvetavarmāṇam) - clad in white armor (having white armor)

• अच्युतम् (acyutam) - steadfast and unfailing (unfailing, firm, unswerving; not falling)

• अपश्याम (apaśyāma) - we saw (we saw, we beheld)

• महाराज (mahārāja) - O great King (addressing Dhṛtarāṣṭra) (O great king)

• भीष्मम् (bhīṣmam) - Bhīṣma (Bhīṣma (name))

• चन्द्रम् (candram) - the moon (moon)

• इव (iva) - like (like, as, as if)

• उदितम् (uditam) - risen (risen, appeared, gone up)

Words meanings and morphology

श्वेतोष्णीषम् (śvetoṣṇīṣam) - wearing a white turban (having a white turban)

(adjective)

Accusative, masculine, singular of śvetoṣṇīṣa

śvetoṣṇīṣa - white-turbaned, having a white turban

Compound type : bahuvrihi (śveta+uṣṇīṣa)

• śveta – white, bright
  adjective (masculine)
• uṣṇīṣa – turban, diadem
  noun (masculine)

श्वेतहयम् (śvetahayam) - with white horses (having white horses)

(adjective)

Accusative, masculine, singular of śvetahaya

śvetahaya - having white horses

Compound type : bahuvrihi (śveta+haya)

• śveta – white, bright
  adjective (masculine)
• haya – horse
  noun (masculine)

श्वेतवर्माणम् (śvetavarmāṇam) - clad in white armor (having white armor)

(adjective)

Accusative, masculine, singular of śvetavarman

śvetavarman - having white armor

Possessive suffix -man from varman

Compound type : bahuvrihi (śveta+varman)

• śveta – white, bright
  adjective (masculine)
• varman – armor, coat of mail
  noun (neuter)

अच्युतम् (acyutam) - steadfast and unfailing (unfailing, firm, unswerving; not falling)

(adjective)

Accusative, masculine, singular of acyuta

acyuta - firm, permanent, immutable, unfailing, unswerving; an epithet of Viṣṇu/Kṛṣṇa

Past Passive Participle (negative of cyuta)

From a- (negation) + √cyu (to fall) + kta suffix

Root: cyu (class 1)

अपश्याम (apaśyāma) - we saw (we saw, we beheld)

(verb)

1st person , plural, active, past imperfect (laṅ) of √dṛś

Imperfect (Laṅ), Active Voice, 1st Person Plural

From a-augment + √dṛś, imperfect, active, plural. Root is dṛś, stem paśya.

Root: dṛś (class 1)

महाराज (mahārāja) - O great King (addressing Dhṛtarāṣṭra) (O great king)

(noun)

Vocative, masculine, singular of mahārāja

mahārāja - great king, sovereign

Compound type : karmadhāraya (mahā+rājan)

• mahā – great, large
  adjective (feminine)
• rājan – king, ruler
  noun (masculine)

भीष्मम् (bhīṣmam) - Bhīṣma (Bhīṣma (name))

(proper noun)

Accusative, masculine, singular of bhīṣma

bhīṣma - Bhīṣma (name of the grand-uncle of the Kauravas and Pāṇḍavas)

Note: Object of apaśyāma.

चन्द्रम् (candram) - the moon (moon)

(noun)

Accusative, masculine, singular of candra

candra - moon, light, beautiful

Note: Object of comparison.

इव (iva) - like (like, as, as if)

(indeclinable)

Particle indicating comparison.

उदितम् (uditam) - risen (risen, appeared, gone up)

(adjective)

Accusative, masculine, singular of udita

udita - risen, ascended, appeared, said

Past Passive Participle

From ud- + √i (to go) + kta suffix; or from ud- + √vad (to speak) + kta suffix. Here, first meaning.

Prefix: ud

Root: i (class 2)