महाभारतः mahābhārataḥ - book-8, chapter-7, verse-7

ततः श्वेतपताकेन बालार्काकारवाजिना ।
हेमपृष्ठेन धनुषा हस्तिकक्ष्येण केतुना ॥७॥

7. tataḥ śvetapatākena bālārkākāravājinā ,
hemapṛṣṭhena dhanuṣā hastikakṣyeṇa ketunā.

7. tataḥ śvetapatākena bālārkākāravājinā
hemapṛṣṭhena dhanuṣā hastikakṣyeṇa ketunā

7. tataḥ śvetapatākena bālārkākāravājinā
hemapṛṣṭhena dhanuṣā hastikakṣyeṇa ketunā

7. Then, [a warrior appeared] with a white banner, with horses resembling the rising sun, with a bow having a golden back, and with a standard marked by an elephant's girth.

Words meanings summery:

• ततः (tataḥ) - then (then, thence, from that place)

• श्वेतपताकेन (śvetapatākena) - with a white banner (with a white banner/flag)

• बालार्काकारवाजिना (bālārkākāravājinā) - with horses resembling the rising sun

• हेमपृष्ठेन (hemapṛṣṭhena) - with a golden back (referring to the bow) (with a golden back)

• धनुषा (dhanuṣā) - with a bow

• हस्तिकक्ष्येण (hastikakṣyeṇa) - with an emblem of an elephant's girth (on the standard) (with an elephant's girth, with an elephant's flank)

• केतुना (ketunā) - with a standard (with a banner, with a standard, with a sign)

Words meanings and morphology

ततः (tataḥ) - then (then, thence, from that place)

(indeclinable)

श्वेतपताकेन (śvetapatākena) - with a white banner (with a white banner/flag)

(adjective)

Instrumental, masculine, singular of śvetapatāka

śvetapatāka - white-bannered, having a white flag

Compound: śveta (white) + patāka (banner).

Compound type : bahuvrīhi (śveta+patāka)

• śveta – white, pure, clean
  adjective (masculine)
• patāka – banner, flag, standard, sign
  noun (masculine)

Note: Modifies an implied warrior.

बालार्काकारवाजिना (bālārkākāravājinā) - with horses resembling the rising sun

(adjective)

Instrumental, masculine, singular of bālārkākāravājin

bālārkākāravājin - having horses resembling the rising sun

Compound: bāla (young/rising) + arka (sun) + ākāra (appearance/form) + vājin (horse). Lit. "having horses whose appearance is like the rising sun".

Compound type : bahuvrīhi (bālārkākāra+vājin)

• bālārkākāra – having the appearance of the rising sun
  adjective (masculine)
  Compound: bāla (young/rising) + arka (sun) + ākāra (form/appearance).
• vājin – horse, swift, strong, one who has horses
  noun (masculine)

Note: Modifies an implied warrior.

हेमपृष्ठेन (hemapṛṣṭhena) - with a golden back (referring to the bow) (with a golden back)

(adjective)

Instrumental, neuter, singular of hemapṛṣṭha

hemapṛṣṭha - having a golden back, golden-backed

Compound: hema (gold) + pṛṣṭha (back).

Compound type : karmadhāraya (hema+pṛṣṭha)

• hema – gold, golden
  noun (neuter)
• pṛṣṭha – back, surface, top
  noun (neuter)

Note: Grammatically modifying 'dhanuṣā'.

धनुषा (dhanuṣā) - with a bow

(noun)

Instrumental, neuter, singular of dhanus

dhanus - bow, arc

हस्तिकक्ष्येण (hastikakṣyeṇa) - with an emblem of an elephant's girth (on the standard) (with an elephant's girth, with an elephant's flank)

(adjective)

Instrumental, masculine, singular of hastikakṣya

hastikakṣya - elephant's girth, a rope or band around an elephant's waist, resembling an elephant's flank

Compound: hasti (elephant) + kakṣya (girth, part of flank).

Compound type : tatpuruṣa (hasti+kakṣya)

• hasti – elephant
  noun (masculine)
• kakṣya – girth, rope around an elephant's waist, part of flank, something related to the armpit or side
  noun (masculine)

Note: Modifies 'ketunā'.

केतुना (ketunā) - with a standard (with a banner, with a standard, with a sign)

(noun)

Instrumental, masculine, singular of ketu

ketu - banner, flag, standard, ensign, sign, mark, comet