महाभारतः mahābhārataḥ - book-12, chapter-118, verse-26

अर्थमानविवृद्धाश्च रथचर्याविशारदाः ।
इष्वस्त्रकुशला यस्य तस्येयं नृपतेर्मही ॥२६॥

26. arthamānavivṛddhāśca rathacaryāviśāradāḥ ,
iṣvastrakuśalā yasya tasyeyaṁ nṛpatermahī.

26. arthamānavivṛddhāḥ ca rathacaryāviśāradāḥ
iṣvastrakuśalāḥ yasya tasya iyam nṛpateḥ mahī

26. yasya arthamānavivṛddhāḥ ca rathacaryāviśāradāḥ
iṣvastrakuśalāḥ tasya nṛpateḥ iyam mahī

26. ...and who are prosperous in wealth and honor, skilled in chariot operations, and expert in archery and weaponry – the earth belongs to such a king.

Words meanings summery:

• अर्थमानविवृद्धाः (arthamānavivṛddhāḥ) - prosperous in wealth and honor (increased in wealth and honor, prosperous in resources and respect)

• च (ca) - and (and, also, moreover)

• रथचर्याविशारदाः (rathacaryāviśāradāḥ) - skilled in chariot operations (skilled in chariot operations, expert in chariot driving)

• इष्वस्त्रकुशलाः (iṣvastrakuśalāḥ) - expert in archery and weaponry (skilled in bows and arrows/missiles, expert in archery and weaponry)

• यस्य (yasya) - whose (whose, of which, to whom)

• तस्य (tasya) - his (i.e., belonging to that king) (his, of him, to him, for that)

• इयम् (iyam) - this (earth) (this (feminine))

• नृपतेः (nṛpateḥ) - of the king (of the king, from the king)

• मही (mahī) - the earth (or kingdom) (earth, land, ground, kingdom)

Words meanings and morphology

अर्थमानविवृद्धाः (arthamānavivṛddhāḥ) - prosperous in wealth and honor (increased in wealth and honor, prosperous in resources and respect)

(adjective)

Nominative, masculine, plural of arthamānavivṛddha

arthamānavivṛddha - increased in wealth and honor

Compound artha (wealth) + māna (honor) + vivṛddha (increased, grown). Dvandva of artha and māna, then Tatpuruṣa with vivṛddha.

Compound type : dvandva-tatpuruṣa (artha+māna+vivṛddha)

• artha – purpose, meaning, wealth, object, prosperity
  noun (masculine)
  From √ṛ (to go, to move).
  Root: ṛ (class 3)
• māna – honor, respect, pride, measurement
  noun (masculine)
  From √man (to think, to respect).
  Root: man (class 4)
• vivṛddha – increased, grown, expanded, flourished
  adjective (masculine)
  Past Passive Participle
  From vi-√vṛdh (to grow, increase) + kta.
  Prefix: vi
  Root: vṛdh (class 1)

च (ca) - and (and, also, moreover)

(indeclinable)

रथचर्याविशारदाः (rathacaryāviśāradāḥ) - skilled in chariot operations (skilled in chariot operations, expert in chariot driving)

(adjective)

Nominative, masculine, plural of rathacaryāviśārada

rathacaryāviśārada - expert in chariot movement/handling

Compound rathacaryā (chariot movement/practice) + viśārada (skilled).

Compound type : tatpuruṣa (rathacaryā+viśārada)

• ratha – chariot, car, vehicle
  noun (masculine)
  From √ṛ (to go) + tha.
  Root: ṛ (class 3)
• caryā – movement, conduct, practice, walking
  noun (feminine)
  From √car (to move, to walk) + ya.
  Root: car (class 1)
• viśārada – skilled, expert, proficient, clever
  adjective (masculine)
  From vi-√śṛd (to split, to be skilled).
  Prefix: vi
  Root: śṛd (class 1)

इष्वस्त्रकुशलाः (iṣvastrakuśalāḥ) - expert in archery and weaponry (skilled in bows and arrows/missiles, expert in archery and weaponry)

(adjective)

Nominative, masculine, plural of iṣvastrakuśala

iṣvastrakuśala - skilled in arrows and weapons

Compound iṣu (arrow) + astra (missile/weapon) + kuśala (skilled). Dvandva of iṣu and astra, then Tatpuruṣa with kuśala.

Compound type : dvandva-tatpuruṣa (iṣu+astra+kuśala)

• iṣu – arrow
  noun (masculine)
  From √iṣ (to throw, send).
  Root: iṣ (class 4)
• astra – weapon, missile, projectile
  noun (neuter)
  From √as (to throw).
  Root: as (class 4)
• kuśala – skilled, clever, expert, well, happy
  adjective (masculine)
  Literally 'one who knows about kuśa grass' (a difficult and sharp grass to collect, thus implying skill).

यस्य (yasya) - whose (whose, of which, to whom)

(pronoun)

Genitive, masculine, singular of yad

yad - who, which, what, whoever, whatever

Relative pronoun.

तस्य (tasya) - his (i.e., belonging to that king) (his, of him, to him, for that)

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

Demonstrative pronoun.

इयम् (iyam) - this (earth) (this (feminine))

(pronoun)

Nominative, feminine, singular of idam

idam - this, this one

Demonstrative pronoun.

नृपतेः (nṛpateḥ) - of the king (of the king, from the king)

(noun)

Genitive, masculine, singular of nṛpati

nṛpati - king, lord of men

Compound nṛ (man) + pati (lord, master).

Compound type : tatpuruṣa (nṛ+pati)

• nṛ – man, person
  noun (masculine)
• pati – lord, master, owner, husband
  noun (masculine)
  From √pā (to protect).
  Root: pā (class 2)

मही (mahī) - the earth (or kingdom) (earth, land, ground, kingdom)

(noun)

Nominative, feminine, singular of mahī

mahī - earth, land, ground, territory, kingdom

From mahā (great) or √mah (to be great).

Root: mah (class 1)

Note: Subject of implied verb 'is'.