महाभारतः mahābhārataḥ - book-2, chapter-11, verse-34

अष्टाशीतिसहस्राणि यतीनामूर्ध्वरेतसाम् ।
प्रजावतां च पञ्चाशदृषीणामपि पाण्डव ॥३४॥

34. aṣṭāśītisahasrāṇi yatīnāmūrdhvaretasām ,
prajāvatāṁ ca pañcāśadṛṣīṇāmapi pāṇḍava.

34. aṣṭāśīti sahasrāṇi yatīnām ūrdhvaretasām
prajāvatām ca pañcāśat ṛṣīṇām api pāṇḍava

34. O Pāṇḍava, there were eighty-eight thousand ascetics (yati) who observed celibacy, and also fifty sages (ṛṣi) who had progeny.

Words meanings summery:

• अष्टाशीति (aṣṭāśīti) - eighty-eight

• सहस्राणि (sahasrāṇi) - thousands

• यतीनाम् (yatīnām) - of ascetics, of renunciates

• ऊर्ध्वरेतसाम् (ūrdhvaretasām) - of those with upward-flowing energy, of celibates

• प्रजावताम् (prajāvatām) - of those with progeny, of those with offspring

• च (ca) - and

• पञ्चाशत् (pañcāśat) - fifty

• ऋषीणाम् (ṛṣīṇām) - of sages, of seers

• अपि (api) - also, even, too

• पाण्डव (pāṇḍava) - O son of Pāṇḍu, O Pāṇḍava

Words meanings and morphology

अष्टाशीति (aṣṭāśīti) - eighty-eight

(noun)

Nominative, feminine, singular of aṣṭāśīti

aṣṭāśīti - eighty-eight

Note: Often functions as an indeclinable numeral adjective, but here grammatically treated as a noun governing the genitive.

सहस्राणि (sahasrāṇi) - thousands

(noun)

Nominative, neuter, plural of sahasra

sahasra - thousand

यतीनाम् (yatīnām) - of ascetics, of renunciates

(noun)

Genitive, masculine, plural of yati

yati - ascetic, renunciate, one who strives

ऊर्ध्वरेतसाम् (ūrdhvaretasām) - of those with upward-flowing energy, of celibates

(adjective)

Genitive, masculine, plural of ūrdhvaretas

ūrdhvaretas - one whose semen or vital energy flows upwards, a celibate, an ascetic

Compound type : bahuvrīhi (ūrdhva+retas)

• ūrdhva – upward, elevated, higher
  adjective (neuter)
• retas – semen, seed, vital fluid, energy
  noun (neuter)

Note: Modifies 'yatīnām'.

प्रजावताम् (prajāvatām) - of those with progeny, of those with offspring

(adjective)

Genitive, masculine, plural of prajāvat

prajāvat - having progeny, having offspring, fruitful

Note: Modifies 'ṛṣīṇām'.

च (ca) - and

(indeclinable)

पञ्चाशत् (pañcāśat) - fifty

(noun)

Nominative, feminine, singular of pañcāśat

pañcāśat - fifty

ऋषीणाम् (ṛṣīṇām) - of sages, of seers

(noun)

Genitive, masculine, plural of ṛṣi

ṛṣi - sage, seer, inspired poet, Vedic singer

अपि (api) - also, even, too

(indeclinable)

पाण्डव (pāṇḍava) - O son of Pāṇḍu, O Pāṇḍava

(proper noun)

Vocative, masculine, singular of pāṇḍava

pāṇḍava - descendant of Pāṇḍu, a Pāṇḍava