महाभारतः mahābhārataḥ - book-6, chapter-1, verse-29

रथी च रथिना योध्यो गजेन गजधूर्गतः ।
अश्वेनाश्वी पदातिश्च पदातेनैव भारत ॥२९॥

29. rathī ca rathinā yodhyo gajena gajadhūrgataḥ ,
aśvenāśvī padātiśca padātenaiva bhārata.

29. rathī ca rathinā yodhyaḥ gajena gajadhūrgataḥ
aśvena aśvī padātiḥ ca padātinā eva bhārata

29. bhārata rathī ca rathinā yodhyaḥ gajadhūrgataḥ
gajena aśvī aśvena ca padātiḥ padātinā eva

29. And a chariot-warrior must fight a chariot-warrior, an elephant-mounted warrior an elephant-mounted warrior, a horseman a horseman, and a foot-soldier a foot-soldier only, O Bharata.

Words meanings summery:

• रथी (rathī) - a chariot-warrior (chariot-warrior, one who owns a chariot)

• च (ca) - and (and, also)

• रथिना (rathinā) - by a chariot-warrior (by a chariot-warrior, by a charioteer)

• योध्यः (yodhyaḥ) - must be fought (to be fought, fit to be fought, warlike)

• गजेन (gajena) - by an elephant-rider (by an elephant, by an elephant-rider)

• गजधूर्गतः (gajadhūrgataḥ) - an elephant-mounted warrior (mounted on an elephant, an elephant-rider)

• अश्वेन (aśvena) - by a horseman (by a horse, by a horseman)

• अश्वी (aśvī) - a horseman (horseman, one having horses)

• पदातिः (padātiḥ) - a foot-soldier (foot-soldier, infantryman)

• च (ca) - and (and, also)

• पदातिना (padātinā) - by a foot-soldier

• एव (eva) - only (only, just, indeed)

• भारत (bhārata) - O Bharata (O Bharata (descendant of Bharata))

Words meanings and morphology

रथी (rathī) - a chariot-warrior (chariot-warrior, one who owns a chariot)

(noun)

Nominative, masculine, singular of rathin

rathin - chariot-driver, chariot-owner, chariot-warrior

च (ca) - and (and, also)

(indeclinable)

रथिना (rathinā) - by a chariot-warrior (by a chariot-warrior, by a charioteer)

(noun)

Instrumental, masculine, singular of rathin

rathin - chariot-driver, chariot-owner, chariot-warrior

योध्यः (yodhyaḥ) - must be fought (to be fought, fit to be fought, warlike)

(adjective)

Nominative, masculine, singular of yodhya

yodhya - to be fought, fit for battle, warlike, a warrior

gerundive (future passive participle)

from root yudh (to fight) with suffix -ya

Root: yudh (class 4)

गजेन (gajena) - by an elephant-rider (by an elephant, by an elephant-rider)

(noun)

Instrumental, masculine, singular of gaja

gaja - elephant

गजधूर्गतः (gajadhūrgataḥ) - an elephant-mounted warrior (mounted on an elephant, an elephant-rider)

(noun)

Nominative, masculine, singular of gajadhūrgata

gajadhūrgata - mounted on an elephant, one who rides an elephant, an elephant warrior

Compound type : tatpuruṣa (gaja+dhūr+gata)

• gaja – elephant
  noun (masculine)
• dhūr – yoke, burden, responsibility, front part (of a chariot), position
  noun (feminine)
• gata – gone, arrived at, being in, mounted on
  adjective (masculine)
  past passive participle
  from root gam (to go)
  Root: gam (class 1)

अश्वेन (aśvena) - by a horseman (by a horse, by a horseman)

(noun)

Instrumental, masculine, singular of aśva

aśva - horse

अश्वी (aśvī) - a horseman (horseman, one having horses)

(noun)

Nominative, masculine, singular of aśvin

aśvin - horseman, one having horses

पदातिः (padātiḥ) - a foot-soldier (foot-soldier, infantryman)

(noun)

Nominative, masculine, singular of padāti

padāti - foot-soldier, infantryman, pedestrian

च (ca) - and (and, also)

(indeclinable)

पदातिना (padātinā) - by a foot-soldier

(noun)

Instrumental, masculine, singular of padātin

padātin - foot-soldier, pedestrian

एव (eva) - only (only, just, indeed)

(indeclinable)

भारत (bhārata) - O Bharata (O Bharata (descendant of Bharata))

(proper noun)

Vocative, masculine, singular of bhārata

bhārata - a descendant of Bharata, an Indian, a warrior from the Bharata lineage