महाभारतः mahābhārataḥ - book-3, chapter-181, verse-28

मनुष्यास्तप्ततपसः सर्वागमपरायणाः ।
स्थिरव्रताः सत्यपरा गुरुशुश्रूषणे रताः ॥२८॥

28. manuṣyāstaptatapasaḥ sarvāgamaparāyaṇāḥ ,
sthiravratāḥ satyaparā guruśuśrūṣaṇe ratāḥ.

28. manuṣyāḥ taptatapasyaḥ sarvāgamaparāyaṇāḥ
sthiravratāḥ satyaparāḥ guruśuśrūṣaṇe ratāḥ

28. Those humans who have performed severe austerities (tapas), who are devoted to all scriptural traditions, firm in their vows, committed to truth, and engaged in serving their teacher (guru).

Words meanings summery:

• मनुष्याः (manuṣyāḥ) - humans, people

• तप्ततपस्यः (taptatapasyaḥ) - those who have performed severe austerities (tapas)

• सर्वागमपरायणाः (sarvāgamaparāyaṇāḥ) - devoted to all scriptures/traditions; intent on all (spiritual) knowledge

• स्थिरव्रताः (sthiravratāḥ) - firm in vows

• सत्यपराः (satyaparāḥ) - devoted to truth, whose supreme aim is truth

• गुरुशुश्रूषणे (guruśuśrūṣaṇe) - in serving the teacher (guru)

• रताः (ratāḥ) - engaged, delighted, devoted

Words meanings and morphology

मनुष्याः (manuṣyāḥ) - humans, people

(noun)

Nominative, masculine, plural of manuṣya

manuṣya - human, man, person

तप्ततपस्यः (taptatapasyaḥ) - those who have performed severe austerities (tapas)

(adjective)

Nominative, masculine, plural of taptatapas

taptatapas - one who has performed severe austerities (tapas)

Compound type : Bahuvrīhi (tapta+tapas)

• tapta – heated, burnt, performed (e.g., penance)
  adjective (masculine)
  Past Passive Participle
  Derived from root 'tap' (to heat, to perform austerity).
  Root: tap (class 1)
• tapas – austerity, penance, spiritual fervor (tapas)
  noun (neuter)

सर्वागमपरायणाः (sarvāgamaparāyaṇāḥ) - devoted to all scriptures/traditions; intent on all (spiritual) knowledge

(adjective)

Nominative, masculine, plural of sarvāgamaparāyaṇā

sarvāgamaparāyaṇā - devoted to all scriptures/traditions; intent on all (spiritual) knowledge

Compound type : Tatpuruṣa (sarvāgama) followed by a Bahuvrīhi (sarva+āgama+parāyaṇa)

• sarva – all, every
  pronoun (masculine)
• āgama – scripture, tradition, coming, acquisition
  noun (masculine)
  Prefix: ā
  Root: gam (class 1)
• parāyaṇa – devoted to, dependent on, having as ultimate aim
  adjective (masculine)

स्थिरव्रताः (sthiravratāḥ) - firm in vows

(adjective)

Nominative, masculine, plural of sthiravrata

sthiravrata - firm in vows

Compound type : Bahuvrīhi (sthira+vrata)

• sthira – firm, steady, stable
  adjective (masculine)
  Root: sthā (class 1)
• vrata – vow, sacred observance, religious duty
  noun (neuter)

सत्यपराः (satyaparāḥ) - devoted to truth, whose supreme aim is truth

(adjective)

Nominative, masculine, plural of satyapara

satyapara - devoted to truth, whose supreme aim is truth

Compound type : Bahuvrīhi (satya+para)

• satya – truth, true (satya)
  noun (neuter)
• para – supreme, chief, ultimate
  adjective (masculine)

गुरुशुश्रूषणे (guruśuśrūṣaṇe) - in serving the teacher (guru)

(noun)

Locative, neuter, singular of guruśuśrūṣaṇa

guruśuśrūṣaṇa - serving the teacher (guru)

Compound type : Tatpuruṣa (guru+śuśrūṣaṇa)

• guru – teacher, spiritual preceptor (guru)
  noun (masculine)
• śuśrūṣaṇa – service, desire to hear or serve
  noun (neuter)
  From root 'śru' (to hear), desiderative stem.
  Root: śru (class 5)

रताः (ratāḥ) - engaged, delighted, devoted

(adjective)

Nominative, masculine, plural of rata

rata - engaged, delighted, devoted

Past Passive Participle

Derived from root 'ram' (to delight in, to be pleased).

Root: ram (class 1)