महाभारतः mahābhārataḥ - book-7, chapter-66, verse-37

तेषां दशसहस्राणि रथानामनुयायिनाम् ।
अभीषाहाः शूरसेनाः शिबयोऽथ वसातयः ॥३७॥

37. teṣāṁ daśasahasrāṇi rathānāmanuyāyinām ,
abhīṣāhāḥ śūrasenāḥ śibayo'tha vasātayaḥ.

37. teṣām daśasahasrāṇi rathānām anuyāyinām
abhīṣāhāḥ śūrasenāḥ śibayaḥ atha vasātayaḥ

37. teṣām rathānām anuyāyinām daśasahasrāṇi
abhīṣāhāḥ śūrasenāḥ atha śibayaḥ vasātayaḥ

37. Among those forces were ten thousand chariots of followers, as well as the Abhīṣāhas, the Śūrasenas, the Śibayas, and the Vasātis.

Words meanings summery:

• तेषाम् (teṣām) - of those (forces/warriors) (of them, theirs)

• दशसहस्राणि (daśasahasrāṇi) - ten thousands, tens of thousands

• रथानाम् (rathānām) - of chariots

• अनुयायिनाम् (anuyāyinām) - of the accompanying forces (of followers, of attendants)

• अभीषाहाः (abhīṣāhāḥ) - the Abhīṣāhas (a tribe/people)

• शूरसेनाः (śūrasenāḥ) - the Śūrasenas (a tribe/people)

• शिबयः (śibayaḥ) - the Śibayas (a tribe/people)

• अथ (atha) - then, and, moreover

• वसातयः (vasātayaḥ) - the Vasātis (a tribe/people)

Words meanings and morphology

तेषाम् (teṣām) - of those (forces/warriors) (of them, theirs)

(pronoun)

Genitive, masculine, plural of tad

tad - that, those

दशसहस्राणि (daśasahasrāṇi) - ten thousands, tens of thousands

(noun)

Nominative, neuter, plural of daśasahasra

daśasahasra - ten thousand

Compound type : tatpuruṣa (daśa+sahasra)

• daśa – ten
  numeral
• sahasra – thousand
  noun (neuter)

Note: Acts as the subject of an implied verb 'were'.

रथानाम् (rathānām) - of chariots

(noun)

Genitive, masculine, plural of ratha

ratha - chariot, car

Note: Qualifies 'anuyāyinām'.

अनुयायिनाम् (anuyāyinām) - of the accompanying forces (of followers, of attendants)

(noun)

Genitive, masculine, plural of anuyāyin

anuyāyin - follower, attendant, adherent

Derived from root 'yā' 'to go' with prefix 'anu' and 'in' suffix.

Prefix: anu

Root: yā (class 2)

अभीषाहाः (abhīṣāhāḥ) - the Abhīṣāhas (a tribe/people)

(proper noun)

Nominative, masculine, plural of abhīṣāha

abhīṣāha - a class of warriors or a tribe, often mentioned with Śūrasenas.

शूरसेनाः (śūrasenāḥ) - the Śūrasenas (a tribe/people)

(proper noun)

Nominative, masculine, plural of śūrasena

śūrasena - the Śūrasenas (an ancient Indian tribe/country)

शिबयः (śibayaḥ) - the Śibayas (a tribe/people)

(proper noun)

Nominative, masculine, plural of śibaya

śibaya - the Śibayas (an ancient Indian tribe/people)

अथ (atha) - then, and, moreover

(indeclinable)

Conjunction/particle indicating sequence or emphasis.

वसातयः (vasātayaḥ) - the Vasātis (a tribe/people)

(proper noun)

Nominative, masculine, plural of vasāti

vasāti - the Vasātis (an ancient Indian tribe/people)