महाभारतः mahābhārataḥ - book-1, chapter-2, verse-18

चमूस्तु पृतनास्तिस्रस्तिस्रश्चम्वस्त्वनीकिनी ।
अनीकिनीं दशगुणां प्राहुरक्षौहिणीं बुधाः ॥१८॥

18. camūstu pṛtanāstisrastisraścamvastvanīkinī ,
anīkinīṁ daśaguṇāṁ prāhurakṣauhiṇīṁ budhāḥ.

18. camūḥ tu pṛtanāḥ tisraḥ tisraḥ camvaḥ tu anīkinī
anīkinīm daśaguṇām prāhuḥ akṣauhiṇīm budhāḥ

18. Indeed, three regiments (pṛtanās) constitute a camū, and three camūs constitute an anīkinī. The wise declare that an akṣauhiṇī is ten times the size of an anīkinī.

Words meanings summery:

• चमूः (camūḥ) - a specific unit in army organization, equivalent to three pṛtanās (an army division, a company)

• तु (tu) - serves as a conjunction or emphasis (but, indeed, and)

• पृतनाः (pṛtanāḥ) - military regiments, a smaller division of an army (battles, divisions, regiments)

• तिस्रः (tisraḥ) - specifies the number 'three' for 'pṛtanās' (three)

• तिस्रः (tisraḥ) - specifies the number 'three' for 'camūs' (three)

• चम्वः (camvaḥ) - a specific unit in army organization, plural (army divisions, companies)

• तु (tu) - serves as a conjunction or emphasis (but, indeed, and)

• अनीकिनी (anīkinī) - a specific unit in army organization, equivalent to three camūs (an army, a large division)

• अनीकिनीम् (anīkinīm) - the 'anīkinī' which is being multiplied tenfold (an army, a large division)

• दशगुणाम् (daśaguṇām) - describing the 'anīkinī' as being multiplied by ten (tenfold, ten times)

• प्राहुः (prāhuḥ) - the action of the wise (budhāḥ) in defining the army units (they say, they declare)

• अक्षौहिणीम् (akṣauhiṇīm) - the defined unit of army, which is ten anīkinīs (an akṣauhiṇī (a specific large army division))

• बुधाः (budhāḥ) - the authorities who provide this definition (the wise, scholars)

Words meanings and morphology

चमूः (camūḥ) - a specific unit in army organization, equivalent to three pṛtanās (an army division, a company)

(noun)

Nominative, feminine, singular of camū

camū - an army, a military division, a company

तु (tu) - serves as a conjunction or emphasis (but, indeed, and)

(indeclinable)

पृतनाः (pṛtanāḥ) - military regiments, a smaller division of an army (battles, divisions, regiments)

(noun)

Nominative, feminine, plural of pṛtanā

pṛtanā - battle, fight, army, regiment

तिस्रः (tisraḥ) - specifies the number 'three' for 'pṛtanās' (three)

(adjective)

Nominative, feminine, plural of tri

tri - three

तिस्रः (tisraḥ) - specifies the number 'three' for 'camūs' (three)

(adjective)

Nominative, feminine, plural of tri

tri - three

चम्वः (camvaḥ) - a specific unit in army organization, plural (army divisions, companies)

(noun)

Nominative, feminine, plural of camū

camū - an army, a military division, a company

तु (tu) - serves as a conjunction or emphasis (but, indeed, and)

(indeclinable)

अनीकिनी (anīkinī) - a specific unit in army organization, equivalent to three camūs (an army, a large division)

(noun)

Nominative, feminine, singular of anīkinī

anīkinī - an army, a large division of an army, a vast military host

अनीकिनीम् (anīkinīm) - the 'anīkinī' which is being multiplied tenfold (an army, a large division)

(noun)

Accusative, feminine, singular of anīkinī

anīkinī - an army, a large division of an army, a vast military host

दशगुणाम् (daśaguṇām) - describing the 'anīkinī' as being multiplied by ten (tenfold, ten times)

(adjective)

Accusative, feminine, singular of daśaguṇa

daśaguṇa - tenfold, ten times, multiplied by ten

Compound type : tatpurusha (daśan+guṇa)

• daśan – ten
  numeral
• guṇa – a quality, a constituent, a multiplier, a part
  noun (masculine)

प्राहुः (prāhuḥ) - the action of the wise (budhāḥ) in defining the army units (they say, they declare)

(verb)

3rd person , plural, active, present (laṭ) of pra-√ah

Prefix: pra

Root: ah

अक्षौहिणीम् (akṣauhiṇīm) - the defined unit of army, which is ten anīkinīs (an akṣauhiṇī (a specific large army division))

(noun)

Accusative, feminine, singular of akṣauhiṇī

akṣauhiṇī - an akṣauhiṇī (a specific very large army division mentioned in ancient Indian texts)

बुधाः (budhāḥ) - the authorities who provide this definition (the wise, scholars)

(noun)

Nominative, masculine, plural of budha

budha - wise man, scholar, intelligent person, enlightened